CN216739887U - Spring, bouncing barrel and bouncing core - Google Patents

Abstract

The utility model provides a spring, wherein a spring hook comprises a spring rod and a hook body; the spring rod is provided with a first connecting end connected with the spring main body and a second connecting end connected with the hook body. When being used for the spring core, spacing lid compresses tightly the location with spacing part on the barrel, the spring stretch locate first section of thick bamboo inner and first core end between, the coupler body stretches into the slot and the tip can follow the slot cooperation and slide, if initial state coupler body screens is in first screens portion, when pressing spacing lid, barrel and core produce relative motion compression spring main part, because spacing lid is fixed a position spacing part at the barrel tip, this end and the spring hook of spring are fixed a position, the tip of coupler body slides to second screens portion along the slot, when pressing spacing lid once more, the tip of coupler body slides to first screens portion along the slot, realize the effect that the spring core shortens or extends. The utility model also discloses a bouncing barrel and a bouncing core.

Description

Spring, bouncing barrel and bouncing core

Technical Field

The utility model relates to the field of bathrooms, in particular to a spring, a bouncing barrel and a bouncing core.

Background

The spring belongs to an important part in the bouncing core, the bouncing core is frequently used in daily life, such as being used in products such as a drainer, a magnetic suction door, a valve and the like, wherein the drainer is a daily living article, such as a basin drainer, a kitchen sink drainer, a mop sink drainer, a floor drain drainer and the like, and has the function of switching on and off the drainage. The pedestal is installed in the hydrophone down, and the sealed switch subassembly can open the hydrophone down or close the hydrophone down when needing, and filter equipment can filter out aquatic impurity. The existing bounce core is complex in structure, for example, the chinese patent application CN201711233214.3 discloses a bounce core, which comprises a bounce shell, a bounce inner core, a return spring, a bounce hook and a fixing ring, wherein the bounce shell is a structure with two through ends, and the bounce inner core is inserted and sleeved in the bounce shell; the lower end of the bouncing inner core is provided with a heart-shaped bouncing guide groove, the lower part of the bouncing shell extends to form a positioning convex column, the positioning convex column is provided with a positioning hole, one end of the bouncing hook is clamped in the positioning hole, and the other end of the bouncing hook is clamped in the heart-shaped bouncing guide groove; one end of the return spring is abutted against the bouncing inner core, and the other end of the return spring is abutted against the bouncing outer shell; the fixed ring is inserted and sleeved outside the positioning convex column and is matched with the bouncing hook in a locking way. The outer side surface of the bouncing inner core is provided with a sliding groove, the bouncing shell is provided with a screw hole, a bolt is screwed in the screw hole, and the bolt is positioned in the sliding groove. The lower part of the bouncing shell is provided with a thread with adjustable height.

The bouncing hook of the patent application needs a fixing ring for limiting and generating elastic force, has a complex structure, and the fixing ring needs to be wound in the later period and lose the limiting function after being disassembled and the elasticity is removed; meanwhile, the bouncing hook and the spring are split, so that the processing procedures are multiple and the cost is high; and the bounce hook and the spring are separated to occupy space, so that the whole bounce core structure is larger. In the practical application process, the patent application structure is complex, the processing procedure is tedious, the dismounting reusability is poor, the working stability is weak, and the practicability is to be improved.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a spring with the advantages of strong working stability, simple, reasonable and practical structure, and the like.

The utility model also aims to provide the bouncing barrel matched with the spring, which has the advantages of effective positioning of the spring, strong working stability, simple structure, reasonability, practicability and the like.

The utility model also aims to provide the bouncing core which has the advantages of strong working stability, compact structure, simple structure, reasonability, practicability and the like.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a spring includes a cylindrical spring main body; the spring hook is positioned in the spring main body and extends along the length direction of the spring main body, and the spring hook comprises a spring rod and a hook body; the spring rod is provided with a first connecting end connected with the spring main body and a second connecting end connected with the hook body.

The spring rod extends along the length direction of the spring body.

The hook body and the spring rod form a certain angle.

The angle between the hook body and the spring rod is 30-110 degrees.

The angle between the hook body and the spring rod is 45-90 degrees.

The angle between the hook body and the spring rod is 60-90 degrees.

The spring main body is cylindrical or square cylindrical.

The spring rod is connected with the spring main body through a connecting rod.

The connecting rod and the spring rod form a certain angle.

The angle between the connecting rod and the spring rod is 30-110 degrees.

The angle formed by the connecting rod and the spring rod is 45-90 degrees.

The angle formed by the connecting rod and the spring rod is 60-90 degrees.

The spring main body and the spring hook are of an integrated structure.

The spring main body and the spring hook are formed by bending the same steel wire.

The spring main body or the spring hook is provided with a limiting part for limiting the movement of the spring.

The limiting part comprises a lug protruding out of the outer peripheral surface of the spring body.

The lug, the spring main body and the spring hook are formed by bending the same steel wire.

The number of the lugs is one or two.

A bounce barrel comprises a barrel body, wherein the barrel body is provided with an inner cavity for accommodating a spring main body; and a limiting clamping part matched with the limiting part is formed at one end of the cylinder body.

The limiting clamping part comprises a groove or a hole formed on the cylinder body.

The limiting clamping part comprises a containing groove formed in the end face of the barrel.

The accommodating groove is matched with the accommodating lug.

The number of the accommodating grooves is one or two.

The limiting cover is used for limiting the limiting part in the accommodating groove.

The limiting cover and the cylinder body are connected together through threads.

A bouncing core; also included is a core that slides within the barrel.

Comprises a cylinder body, a spring and a core body; the inner cavity of the cylinder body is provided with a first cylinder inner end and a second cylinder inner end, and the core body is provided with a first core end positioned in the cylinder body and a second core end which penetrates out of the cylinder body from the second cylinder inner end; the core body is provided with a closed groove; the spring is installed between the inner end of the first cylinder and the first core end, the spring hook faces the core body, and the hook body extends into the groove.

The groove is provided with a first clamping part and a second clamping part which are positioned at different positions and used for clamping the hook body.

The rotation limiting component is used for limiting the rotation of the core body.

The peripheral surface of the core body is formed with a slide groove extending in the sliding direction.

The rotation limiting component comprises a rotation limiting nail which penetrates through the cylinder body and extends into the sliding groove.

The rotation limiting nail is a screw, and a screw hole matched with the screw is formed in the cylinder body.

The limiting cover is used for pressing the limiting component on the cylinder body.

The limiting cover is connected to the barrel through threads.

After the technical scheme is adopted, the spring of the utility model breaks through the structural form of the traditional spring, and in the actual working process, when the spring core is used for bouncing the core, the limit part is pressed and positioned on the cylinder body by the limit cover, the spring is arranged between the inner end of the first cylinder and the end of the first core, the hook body extends into the groove, the end part can slide along the groove in a matching way, if the hook body is blocked at the first blocking part in the initial state, when the limit cover is pressed, the cylinder body and the core body generate relative motion to compress the spring main body, because the limiting cover positions the limiting component at the end part of the cylinder body, the end of the spring and the spring hook are positioned, the end part of the hook body slides to the second clamping part along the groove, when the limiting cover is pressed again, the end part of the hook body slides to the first clamping part along the groove, the barrel body and the core body are located at different relative positions, and the effects that the core body retracts or extends out of the barrel body and the bouncing core shortens or extends are achieved. The spring hook can generate elastic force in all directions without the limit of a fixing ring, has simple structure and is not easy to lose the elastic reset function; meanwhile, the processing procedures are less and the cost is low; and the bounce hook and the spring can be made into a whole, so that the occupied space is small, the whole bounce core structure is concentrated and can be miniaturized, and the elastic performance in all directions is stable. Compared with the prior art, the spring has the advantages of strong working stability, simple, reasonable and practical structure and the like.

The bouncing barrel breaks through the structural form of the traditional bouncing barrel, in the actual working process, when the bouncing barrel is used for bouncing a core, the limiting cover presses and positions the limiting part on the barrel, the spring is arranged between the inner end of the first barrel and the first core end in an expanding mode, the hook body extends into the groove, the end part of the hook body can slide along the groove in a matching mode, if the hook body is clamped at the first clamping part in the initial state, when the limiting cover is pressed, the barrel and the core body generate relative motion to compress the spring main body, the limiting part is positioned at the end part of the barrel body by the limiting cover, the end part of the spring and the spring hook are positioned, the end part of the hook body slides to the second clamping part along the groove, when the limiting cover is pressed again, the end part of the hook body slides to the first clamping part along the groove, the barrel body and the core body are positioned at different relative positions, and the effect that the core body retracts or extends into or out of the barrel body and the bouncing core body shortens or elongates is achieved. Compared with the prior art, the bouncing barrel has the advantages of effective positioning of the spring, strong working stability, simple structure, reasonability, practicability and the like.

The utility model relates to a bouncing core, which breaks through the structural form of the traditional bouncing core, in the actual working process, a limiting cover presses and positions a limiting part on a cylinder body, a spring is arranged between the inner end of a first cylinder and the end of the first core in an expanding way, a hook body extends into a groove, the end part of the hook body can slide along the groove in a matching way, if the hook body is clamped at the first clamping part in the initial state, when the limiting cover is pressed, the cylinder body and the core body generate relative motion to compress a spring main body, because the limiting cover positions the limiting part at the end part of the cylinder body, the end of the spring and a spring hook are positioned, the end part of the hook body slides to the second clamping part along the groove, when the limiting cover is pressed again, the end part of the hook body slides to the first clamping part along the groove, the cylinder body and the core body are positioned at different relative positions, and the effect that the core body retracts or extends into or out of the cylinder body and the bouncing core body is shortened or extended is achieved. Compared with the prior art, the bouncing core has the advantages of strong working stability, compact structure, simple structure, reasonability, practicability and the like.

Drawings

FIG. 1 is a perspective view of a first embodiment of a spring;

FIG. 2 is a side view of the first embodiment of the spring;

FIG. 3 is a side view of the first embodiment of the spring shown in another angle;

FIG. 4 is a schematic end view illustration of the first embodiment of the spring;

FIG. 5 is a perspective view of a second embodiment of a spring;

FIG. 6 is a side view of a second embodiment of a spring;

FIG. 7 is a side view of the second embodiment of the spring at another angle;

FIG. 8 is a schematic end view illustration of a second embodiment of a spring;

FIG. 9 is a perspective view of a third embodiment of a spring;

FIG. 10 is a side view of a third embodiment of a spring;

FIG. 11 is a side view of the third embodiment of the spring at another angle;

FIG. 12 is a schematic end view illustration of a third embodiment of a spring;

fig. 13 is a schematic perspective view of the bounce tube;

FIG. 14 is a schematic cross-sectional structure view of the bouncing barrel;

FIG. 15 is a schematic perspective view of the position-limiting cover;

FIG. 16 is a schematic cross-sectional view of the position-limiting cover;

FIG. 17 is a perspective view of the core;

FIG. 18 is a side view of the core;

FIG. 19 is a cross-sectional structural view of the core;

FIG. 20 is a side view of another angle of the core.

In the figure:

11-spring body 12-spring hook 121-spring rod 122-hook body 123-connecting rod 13-limiting part

21-cylinder 211-screw hole 22-limit clamping part 23-limit cover

31-core body 311-groove 3111-first detent portion 3112-second detent portion 312-rotation limiting member 3121-sliding groove 3122-rotation limiting nail.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

A spring of the present invention, as shown in fig. 1 to 12, includes a cylindrical spring main body 11; the spring hook 12 is positioned in the spring main body 11 and extends along the length direction of the spring main body 11, and the spring hook 12 comprises a spring rod 121 and a hook body 122; the spring rod 121 has a first connection end connected to the spring main body 11, and a second connection end connected to the hook body 122. In the practical operation process of the utility model, when the bouncing core is used, the limiting cover 23 presses and positions the limiting part 13 on the cylinder body 21, the spring is arranged between the inner end of the first cylinder and the first core end, the hook body 122 extends into the groove 311, and the end part can slide along the groove 311 in a matching way, if the hook body 122 is blocked at the first blocking part 3111 in the initial state, when the stopper cover 23 is pressed, the cylinder 21 and the core body 31 are relatively moved to compress the spring body 11, since the stopper cover 23 positions the stopper member 13 at the end of the cylinder 21, the end of the spring and the spring hook 12 are positioned, the end of the hook body 122 slides along the groove 311 to the second detent 3112, when the limiting cover 23 is pressed again, the end of the hook 122 slides along the groove 311 to the first detent 3111, so that the barrel 21 and the core 31 are located at different relative positions, and the core 31 retracts or extends out of the barrel 21 and shortens or extends. The spring hook 12 can generate elastic force in all directions without the limit of a fixing ring, has simple structure and is not easy to lose the elastic reset function; meanwhile, the processing procedures are less and the cost is low; and the bounce hook and the spring can be made into a whole, so that the occupied space is small, the whole bounce core structure is concentrated and can be miniaturized, and the elastic performance in all directions is stable. The spring hook 12 extends along the length direction of the spring body 11, and it is not limited strictly that the spring rod 121 must be parallel to or coincident with the axis of the spring body 11, and the spring rod 121 may be at an angle to the axis of the spring body 11.

Preferably, the spring rod 121 extends in the length direction of the spring body 11. The spring rod 121 extends inward toward the core 31, and the hook 122 at the end can directly hook the groove 311 of the core 31 for engagement.

Preferably, the hook body 122 is angled with respect to the spring rod 121. This configuration allows the hook 122 to have an angle extending into the groove 311 of the core 31, which facilitates the hook 122 to engage with the groove 311.

In order to achieve the effect of the hook 122 cooperating with the groove 311, the hook 122 is preferably angled at 30-110 ° with respect to the spring rod 121.

To further achieve the effect of the hook 122 engaging the groove 311 and avoid a unhooking situation, the hook 122 is preferably angled at 45-90 ° to the spring rod 121.

In order to ensure that the engagement effect of the hook body 122 with the groove 311 is achieved, and to avoid unhooking and sliding engagement, it is preferable that the hook body 122 is angled from 60 to 90 ° with respect to the spring rod 121.

Preferably, the spring body 11 is cylindrical or square tubular. The cylindrical spring body 11 is easy to process, and the square cylindrical spring body 11 can be matched with the square cylindrical tube 21 to have a rotation limiting function.

Preferably, the spring rod 121 is connected with the spring body 11 by a connecting rod 123. The connecting rod 123 can directly generate a certain distance between the spring rod 121 and the spring body 11 for the spring rod 121 to deform.

To facilitate the connection of the connecting rod 123 between the spring rod 121 and the spring body 11, and directly create a distance therebetween, the connecting rod 123 is preferably angled with respect to the spring rod 121.

To further facilitate the connection of the connecting rod 123 between the spring rod 121 and the spring body 11, and directly create a distance therebetween, it is preferred that the connecting rod 123 is angled 30-110 ° from the spring rod 121.

To further facilitate the connection of the connecting rod 123 between the spring rod 121 and the spring body 11, and directly create a distance therebetween, it is preferred that the connecting rod 123 is angled at 45-90 ° to the spring rod 121.

To ensure that it is convenient for the connecting rod 123 to connect the spring rod 121 and the spring body 11, and to create a direct distance therebetween, it is preferred that the connecting rod 123 be angled at 60-90 ° from the spring rod 121.

Preferably, the spring body 11 and the spring hook 12 are of a unitary construction. This structure ensures stable strength and elastic performance of the spring hook 12.

In order to further ensure the stability of the strength and elastic properties of the spring hook 12, it is preferable that the spring main body 11 and the spring hook 12 are formed by bending the same wire.

Preferably, the spring body 11 or the spring hook 12 is provided with a stopper member 13 that limits the movement of the spring. In the actual process of pressing the spring, the spring main body 11 tends to rotate, and the limiting component 13 can limit the rotation of the spring main body 11, so that the position of the spring hook 12 is ensured to be unchanged, and the working performance of the spring hook 12 is ensured to be stable.

Preferably, the stopper part 13 includes a lug protruding from the outer circumferential surface of the spring body 11. In the actual use process, the lug is clamped on the limiting clamping part 22 of the cylinder 21, and the lug and the limiting clamping part are matched to limit the rotation of the spring main body 11 and the whole spring.

In order to ensure stable strength and elastic performance of the spring hook 12, it is preferable that the lug is formed by bending the same wire as the spring body 11 and the spring hook 12.

Preferably, the number of lugs is one or two. One lug can basically limit the rotation of the spring body 11 and the whole spring, two lugs, especially two lugs arranged oppositely, can limit the rotation of the spring body 11 and the whole spring more evenly, and the spring body 11 is not easy to deflect due to uneven stress.

A bouncing barrel, as shown in fig. 13-16, comprises a barrel body 21, the barrel body 21 having an inner cavity for accommodating a spring main body 11; one end of the cylinder 21 is formed with a limit clip part 22 which is matched with the limit part 13. In the practical use process of the utility model, when the bouncing core is used, the limiting cover 23 presses and positions the limiting part 13 on the cylinder body 21, the spring is arranged between the inner end of the first cylinder and the first core end, the hook body 122 extends into the groove 311, and the end part can slide along the groove 311 in a matching way, if the hook body 122 is blocked at the first blocking part 3111 in the initial state, when the stopper cover 23 is pressed, the cylinder 21 and the core body 31 are relatively moved to compress the spring body 11, since the stopper cover 23 positions the stopper 13 at the end of the cylinder 21, the end of the spring and the spring hook 12 are positioned, the end of the hook body 122 slides along the groove 311 to the second catching portion 3112, when the limiting cover 23 is pressed again, the end of the hook 122 slides to the first detent 3111 along the groove 311, so that the cylinder 21 and the core 31 are located at different relative positions, and the core 31 retracts or extends out of the cylinder 21, and the bouncing core shortens or extends.

Preferably, the limit catch 22 includes a groove or hole formed on the cylinder 21. In this manner, the lugs of the spring can be retained in the retention clips 22 in the form of slots or holes.

Preferably, the limit clip part 22 includes a receiving groove formed on the end surface of the cylinder 21. Therefore, the lugs of the spring can be directly placed into the accommodating groove from the end face of the cylinder body 21 for clamping, and then are locked and pressed by the limiting cover 23, so that the lugs are ensured to be clamped in the accommodating groove.

In order to make the receiving groove better limit the lug, preferably, the receiving groove matches the receiving lug.

Preferably, the number of the receiving grooves is one or two. One accommodating groove can be matched with one lug for limiting, and two accommodating grooves can be matched with two lugs for limiting or can be flexibly matched with one lug for angle adjustment.

Preferably, the limiting device further comprises a limiting cover 23 for limiting the limiting part 13 in the accommodating groove. When the spring core is used for bouncing, the limiting cover 23 presses and positions the limiting part 13 on the cylinder body 21, the spring is arranged between the inner end of the first cylinder and the first core end in an open manner, the hook body 122 extends into the groove 311, and the end part can slide along the groove 311 in a matched manner, if the hook body 122 is blocked at the first blocking part 3111 in an initial state, when the limiting cover 23 is pressed, the cylinder body 21 and the core body 31 generate relative motion to compress the spring main body 11, because the limiting cover 23 positions the limiting part 13 at the end part of the cylinder body 21, the end part of the spring and the spring hook 12 are positioned, the end part of the hook body 122 slides to the second blocking part 3112 along the groove 311, when the limiting cover 23 is pressed again, the end part of the hook body 122 slides to the first blocking part 3111 along the groove 311, so that the cylinder body 21 and the core body 31 are in different relative positions, and the effect that the core body 31 retracts or extends out of the cylinder body 21 and the bouncing core is shortened or lengthened is achieved.

Preferably, the stopper cap 23 and the cylinder 21 are coupled together by a screw thread. When the limit cover 23 is screwed, the limit part 13 can be gradually pressed and positioned on the cylinder body 21, and the operation is simple and practical.

A bouncing core, as shown in fig. 1-20, further comprises a core body 31 sliding within the barrel 21. In the practical working process of the utility model, the limit cover 23 presses and positions the limit part 13 on the cylinder body 21, the spring is arranged between the inner end of the first cylinder and the first core end in an open manner, the hook body 122 extends into the groove 311, and the end part can slide along the groove 311 in a matching manner, if the hook body 122 is blocked at the first blocking part 3111 in the initial state, when the limit cover 23 is pressed, the cylinder body 21 and the core body 31 generate relative movement to compress the spring main body 11, because the limit cover 23 positions the limit part 13 at the end part of the cylinder body 21, the end part of the spring and the spring hook 12 are positioned, the end part of the hook body 122 slides to the second blocking part 3112 along the groove 311, when the limit cover 23 is pressed again, the end part of the hook body 122 slides to the first blocking part 3111 along the groove 311, so that the cylinder body 21 and the core body 31 are in different relative positions, and the effect that the core body 31 retracts or extends out of the cylinder body 21 and bounces and shortens or extends is achieved. The specific structure can be that a sink groove for accommodating the magnet is formed at the outer end of the core body 31; furthermore, the magnet is locked in the sinking groove through a screw, and a thread groove matched with the screw is formed at the bottom of the sinking groove.

Preferably, comprises a cylinder 21, a spring and a core 31; the inner cavity of the cylinder 21 is provided with a first cylinder inner end and a second cylinder inner end, and the core body 31 is provided with a first core end positioned in the cylinder 21 and a second core end which penetrates out of the cylinder 21 from the second cylinder inner end; the core 31 has closed grooves 311; the spring is installed between the inner end of the first cylinder and the first core end, the spring hook 12 faces the core 31, and the hook body 122 extends into the groove 311. This structure can make the core body 31 slide freely in the cylinder 21, at the same time, the spring body 11 provides the elastic force, the spring hook 12 hooks the groove 311, and specifically, the hook body 122 extends into the groove 311 for cooperation, so as to realize the smooth and stable operation execution of the bouncing core.

Preferably, the groove 311 has a first detent portion 3111 and a second detent portion 3112 at different positions and detent the hook body 122. The groove 311 includes a first groove section, a second groove section, a third groove section, and a fourth groove section that are sequentially connected end to end. First screens portion 3111 is close to first core end, second screens portion 3112 is close to second core end, first groove section and second groove section are in one side of first screens portion 3111 and second screens portion 3112, third groove section and fourth groove section are in the opposite side of first screens portion 3111 and second screens portion 3112, first groove section and second groove section are as the journey route of going of hook 122 and make hook 122 block in the tail end of second groove section and the head end corner of third groove section, inferior corner is second screens portion 3112, third groove section and fourth groove section are as the return route of hook 122 and make hook 122 block in the tail end of first groove section and the head end corner of fourth groove section. Descending steps are sequentially arranged at the joints of the first groove section, the second groove section, the third groove section and the fourth groove section, so that the hook body 122 can slide in one direction and smoothly enter the next groove section.

Preferably, a rotation restricting member 312 for restricting rotation of the core body 31 is further included. The rotation restricting member 312 restricts the rotation of the core 31 relative to the cylinder 21, and causes the core 31 to slide in the axial direction of the cylinder 21, thereby ensuring that the groove 311 is engaged with the hook 122.

Preferably, the peripheral surface of the core 31 is formed with a slide groove 3121 extending in the sliding direction. The cylinder 21 is provided with a corresponding component extending into the sliding groove 3121, so that the component cooperates with the sliding groove 3121 to limit the movement of the core 31 along the axial direction of the cylinder 21.

Preferably, the rotation limiting member 312 includes a rotation limiting pin 3122 extending through the barrel 21 and into the sliding groove 3121. The rotation limiting nail 3122 can be installed on the cylinder 21 and extend into the sliding groove 3121 through the cylinder 21, so as to cooperate with the sliding groove 3121 to limit the movement of the core 31 along the axial direction of the cylinder 21.

In order to facilitate the installation of the rotation limiting nail 3122 on the cylinder 21, preferably, the rotation limiting nail 3122 is a screw, and a screw hole 211 matched with the screw is formed on the cylinder 21.

Preferably, the limiting device further comprises a limiting cover 23 for pressing the limiting component 13 on the cylinder 21. The limit cover 23 presses and positions the limit component 13 on the cylinder body 21, the spring is arranged between the inner end of the first cylinder and the first core end in an expanding manner, the hook body 122 extends into the groove 311, and the end part can slide along the groove 311 in a matching manner, if the hook body 122 is blocked at the first blocking part 3111 in an initial state, when the limit cover 23 is pressed, the cylinder body 21 and the core body 31 generate relative movement to compress the spring main body 11, because the limit component 13 is positioned at the end part of the cylinder body 21 by the limit cover 23, the end part of the spring and the spring hook 12 are positioned, the end part of the hook body 122 slides to the second blocking part 3112 along the groove 311, and when the limit cover 23 is pressed again, the end part of the hook body 122 slides to the first blocking part 3111 along the groove 311, so that the cylinder body 21 and the core body 31 are in different relative positions, and the effect that the core body 31 retracts or extends out of the cylinder body 21 and the bound core is achieved.

Preferably, the stopper cap 23 is screwed to the cylinder 21. The limiting component 13 can be gradually pressed and positioned on the barrel 21, and the operation is simple and practical.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims (34)

1. A spring includes a cylindrical spring main body; the method is characterized in that: the spring hook is positioned in the spring main body and extends along the length direction of the spring main body, and comprises a spring rod and a hook body; the spring rod is provided with a first connecting end connected with the spring main body and a second connecting end connected with the hook body.

2. The spring of claim 1, wherein: the spring rod extends along the length direction of the spring body.

3. A spring according to claim 2, wherein: the hook body and the spring rod form a certain angle.

4. A spring according to claim 3, wherein: the angle between the hook body and the spring rod is 30-110 degrees.

5. The spring of claim 4, wherein: the angle formed by the hook body and the spring rod is 45-90 degrees.

6. The spring of claim 5, wherein: the angle between the hook body and the spring rod is 60-90 degrees.

7. The spring of claim 1, wherein: the spring main body is cylindrical or square cylindrical.

8. A spring according to any one of claims 1 to 7, wherein: the spring rod is connected with the spring main body through a connecting rod.

9. The spring of claim 8, wherein: the connecting rod and the spring rod form a certain angle.

10. The spring of claim 9, wherein: the angle between the connecting rod and the spring rod is 30-110 degrees.

11. The spring of claim 10, wherein: the angle formed by the connecting rod and the spring rod is 45-90 degrees.

12. A spring according to claim 11, wherein: the angle formed by the connecting rod and the spring rod is 60-90 degrees.

13. The spring of claim 8, wherein: the spring main body and the spring hook are of an integrated structure.

14. The spring of claim 13, wherein: the spring main body and the spring hook are formed by bending the same steel wire.

15. A spring according to any one of claims 1 to 7, wherein: the spring main body or the spring hook is provided with a limiting part for limiting the movement of the spring.

16. The spring of claim 15, wherein: the limiting part comprises a lug protruding out of the outer peripheral surface of the spring body.

17. The spring of claim 16, wherein: the lug, the spring main body and the spring hook are formed by bending the same steel wire.

18. The spring of claim 16, wherein: the number of the lugs is one or two.

19. A bouncing cartridge for cooperation with the spring of any one of claims 1-18, comprising a cartridge body having an interior chamber for receiving a spring body; the method is characterized in that: and a limiting clamping part matched with the limiting part is formed at one end of the cylinder body.

20. The bounce cartridge of claim 19, wherein: the limiting clamping part comprises a groove or a hole formed on the cylinder body.

21. The bounce cartridge of claim 20, wherein: the limiting clamping part comprises a containing groove formed in the end face of the barrel.

22. The bounce cartridge of claim 21, wherein: the accommodating groove is matched with the accommodating lug.

23. The bounce cartridge of claim 21, wherein: the number of the accommodating grooves is one or two.

24. The bounce cartridge of claim 21, wherein: the limiting cover is used for limiting the limiting part in the accommodating groove.

25. The bounce cartridge of claim 24, wherein: the limiting cover and the cylinder body are connected together through threads.

26. A bouncing core made based on the spring of any one of claims 1-18 or the bouncing cartridge of any one of claims 19-25; the method is characterized in that: also included is a core that slides within the barrel.

27. The bouncing core of claim 26, wherein: comprises a cylinder body, a spring and a core body; the inner cavity of the cylinder body is provided with a first cylinder inner end and a second cylinder inner end, and the core body is provided with a first core end positioned in the cylinder body and a second core end which penetrates out of the cylinder body from the second cylinder inner end; the core body is provided with a closed groove; the spring is installed between the inner end of the first cylinder and the first core end, the spring hook faces the core body, and the hook body extends into the groove.

28. The bouncing core of claim 27, wherein: the groove is provided with a first clamping part and a second clamping part which are positioned at different positions and used for clamping the hook body.

29. The bouncing core of claim 26, wherein: the rotation limiting component is used for limiting the rotation of the core body.

30. The bouncing core of claim 29, wherein: the peripheral surface of the core body is formed with a slide groove extending in the sliding direction.

31. The bouncing core of claim 30, wherein: the rotation limiting component comprises a rotation limiting nail which penetrates through the cylinder body and extends into the sliding groove.

32. The bouncing core of claim 31, wherein: the rotation limiting nail is a screw, and a screw hole matched with the screw is formed in the cylinder body.

33. The bouncing core of claim 26, wherein: the limiting cover is used for pressing the limiting component on the cylinder body.

34. The bouncing core of claim 33, wherein: the limiting cover is connected to the barrel through threads.

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