CN215992354U - Tractor capable of achieving free extension of traction rope based on key self-locking mechanism - Google Patents
Tractor capable of achieving free extension of traction rope based on key self-locking mechanism Download PDFInfo
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- CN215992354U CN215992354U CN202121087034.0U CN202121087034U CN215992354U CN 215992354 U CN215992354 U CN 215992354U CN 202121087034 U CN202121087034 U CN 202121087034U CN 215992354 U CN215992354 U CN 215992354U
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- Prior art keywords
- locking mechanism
- self
- key
- tractor
- traction rope
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- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000000741 silica gel Substances 0.000 claims description 18
- 229910002027 silica gel Inorganic materials 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 10
- 230000000994 depressogenic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Abstract
The utility model is suitable for the technical improvement field of traction equipment, and provides a traction device for realizing free extension of a traction rope based on a key self-locking mechanism. The structure can control the telescopic rope more quickly and prevent the dragged object from moving abnormally. The material characteristics are fully utilized, the structure is precisely reduced, the safety is higher, the reliability is higher, and the economy is better.
Description
Technical Field
The utility model belongs to the technical improvement field of traction equipment, and particularly relates to a tractor capable of realizing free extension of a traction rope based on a key self-locking mechanism.
Background
People often use the retractor when taking a walk for pets. People who often use the tractor know that the flat haulage rope of current tractor freely gets into or wears out from going out the rope mouth, and because the play rope mouth shape and the size design of current tractor are improper, the flat haulage rope is knotted easily when receiving into, influences the normal use of tractor, brings a great deal of inconvenience. In addition, the existing tractor has no pre-locking prompt function and locking prompt function when the wire wheel is locked by the keys, so that a user cannot judge whether the tractor is locked well.
The key that is currently the mainstream on the market has the function of action 1: the user can press the release-stopping button downwards continuously to control the retraction and release of the retractable rope gently. And action 2: pushing the fixed stop button forwards on the basis of the action 1 to lock the telescopic rope immediately; after the fixed stop button is pulled back, the telescopic rope is stretched again.
The self-locking structure of the tractor on the market at present is that all actions need to be completed manually, and the action 1 and the action 2 have time sequence, and the action 1 needs to be started before the action 2, so a certain reaction time is needed. Therefore, the hidden trouble of slow response is caused, and particularly, the key with the self-locking function is not in time to act when the object (pet) to be dragged is instantly pulled forwards, so that the key with the self-locking function is very important to invent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tractor capable of realizing free extension and retraction of a traction rope based on a key self-locking mechanism, and aims to solve the problem.
The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism comprises a shell, the self-locking mechanism, a wire coil and the extension rope, wherein the wire coil is arranged in the shell, the self-locking mechanism is arranged on the shell, the extension rope is arranged on the wire coil, one end of the extension rope is fixedly connected with the wire coil, and the other end of the extension rope penetrates through the shell through the self-locking mechanism and is arranged outside the shell.
The further technical scheme of the utility model is as follows: the self-locking mechanism comprises a control rod, a shifting spring, a key main body and a pressure spring, the control rod is arranged on the key main body, the shifting spring is arranged in the key main body, one end of the shifting spring is arranged in the control rod, the other end of the shifting spring is in contact connection with the key main body, the pressure spring is arranged in the shell, one end of the pressure spring is sleeved on a connecting column in the key main body, and the other end of the pressure spring is arranged on the shell.
The further technical scheme of the utility model is as follows: the self-locking mechanism further comprises hand-feeling silica gel, and the hand-feeling silica gel is arranged on the top surface of the key main body.
The further technical scheme of the utility model is as follows: the key body is integrated into one piece, and it includes the base of the pressure handle of first half and lower half, press the handle to locate on the base.
The further technical scheme of the utility model is as follows: the cross-section of pressing the handle is "8" shape, the top surface of pressing the handle is the inclined plane, the side of pressing the handle is equipped with inside sunken pressing handle groove, be equipped with polylith interconnect's reinforcing plate in pressing the handle, polylith reinforcing plate connection ground center is equipped with the fixed column.
The further technical scheme of the utility model is as follows: the base is bottom surface opening cavity, the base top surface is equipped with inside sunken depressed groove, the bottom surface of base is equipped with the fluting, the fluting with the interaction of depressed groove is the cross, the bottom surface angle of grooved curb plate one end is the inclined plane, the bottom surface angle of the grooved curb plate other end is the circular arc transition, four angles of base are indent arc structure.
The further technical scheme of the utility model is as follows: the bottom both sides face of control lever is equipped with the spliced pole respectively, the upper portion inner face of control lever is equipped with fixed connection pipe, be equipped with the connecting plate on the fixed connection pipe, the top surface of control lever is equipped with concave-convex anti-skidding structure, the positive side lower part of control lever is equipped with the bellied face.
The further technical scheme of the utility model is as follows: the casing includes casing and lower casing, go up the casing lid in the block is connected on the casing down, the internal a plurality of connecting post covers that are equipped with of inferior valve, be equipped with a plurality of joint posts in the upper casing, open the upper end of casing has the opening of shaking hands, 8 font openings have been seted up to the casing side.
The further technical scheme of the utility model is as follows: the opening of shaking hands is equipped with the silica gel cover, 8 font openings are equipped with the silica gel cover of 8 font, the lower extreme of casing is equipped with the silica gel protection pad to the flank, the 8 characters star open-ended of casing is equipped with the protection pad to the flank.
The further technical scheme of the utility model is as follows: the drum comprises a coil spring and a drum wheel, the drum wheel is connected with the shell through the coil spring, a press key is arranged on the side face of the drum wheel, and the press key is in contact connection with the self-locking mechanism.
The utility model has the beneficial effects that: the traction device is simple in structure and convenient to use, the control telescopic rope can be more quickly controlled in use, the dragged object is prevented from moving abnormally, the material characteristics are fully utilized, the structure is reduced, the safety is higher, the reliability is higher, and the economical efficiency is better.
Drawings
Fig. 1 is a free-state cross-sectional view of a retractor for realizing free extension and retraction of a traction rope based on a key self-locking mechanism according to an embodiment of the utility model.
Fig. 2 is a cross-sectional view of the retractor in a self-locking state, which is provided by the embodiment of the utility model and realizes free extension and retraction of the traction rope based on the key self-locking mechanism.
Fig. 3 is a structural block diagram of a retractor for realizing free extension and retraction of a traction rope based on a key self-locking mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a key body according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a control lever according to an embodiment of the present invention.
Detailed Description
Reference numerals: 1-shell, 2-control rod, 3-poking spring, 4-hand feeling silica gel, 5-key body, 6-pressure spring, 7-wire coil 51-pressing handle 52-base
As shown in fig. 1-3, the tractor for realizing free extension and retraction of a traction rope based on a key self-locking mechanism provided by the utility model comprises a housing 1, the self-locking mechanism, a wire coil 7 and a telescopic rope, wherein the wire coil 7 is arranged in the housing 1, the self-locking mechanism is arranged on the housing 1, the telescopic rope is arranged on the wire coil 7, one end of the telescopic rope is fixedly connected with the wire coil 7, and the other end of the telescopic rope penetrates through the housing 1 through the self-locking mechanism and is arranged outside the housing 1. The structure can control the telescopic rope more quickly and prevent the dragged object from moving abnormally. The material characteristics are fully utilized, the structure is precisely reduced, the safety is higher, the reliability is higher, and the economy is better.
The self-locking mechanism comprises a control rod 2, a poking spring 3, a key body 5 and a pressure spring 6, wherein the control rod 2 is arranged on the key body 6, the poking spring 3 is arranged in the key body 5, one end of the poking spring 3 is arranged in the control rod 2, the other end of the poking spring 3 is in contact connection with the key body 5, the pressure spring 6 is arranged in the shell 1, one end of the pressure spring 6 is sleeved on a connecting column in the key body 5, and the other end of the pressure spring 6 is arranged on the shell 1. Simple structure, can effectual control auto-lock and unblock state, control pet transaction that can be fine.
The self-locking mechanism further comprises hand-feeling silica gel 4, and the hand-feeling silica gel 4 is arranged on the top surface of the key main body 5. The hand feeling silica gel 4 is arranged, so that the pressing hand feeling is good in use, and the use experience is effectively improved.
The key body 5 is integrally formed, and includes a pressing handle 51 at the upper half part and a base 52 at the lower half part, wherein the pressing handle 51 is arranged on the base 52. Utilize integrated into one piece structure to make the structure more stable, safe, the good reliability.
The cross section of the pressing handle 51 is 8-shaped, the top surface of the pressing handle 51 is an inclined surface, the side surface of the pressing handle 51 is provided with an inward-concave pressing handle groove, a plurality of mutually-connected reinforcing plates are arranged in the pressing handle 51, and the centers of the plurality of reinforcing plates, which are connected with the ground, are provided with the fixing columns. Design space can effectual utilization through 8 font structural design, more can embody the sense of touch excellent, promote the sense of touch and use experience.
The bottom both sides face of control lever 2 is equipped with the spliced pole respectively, the upper portion inner face of control lever 2 is equipped with fixed connection pipe, the last connecting plate that is equipped with of fixed connection pipe, the concave-convex anti-skidding structure is equipped with to the top surface of control lever 2, the positive side lower part of control lever 2 is equipped with the bellying. The appearance and experience effect are improved, so that the whole product is more attractive.
Casing 1 includes casing and lower casing, go up the casing lid in the block is connected on the casing down, the internal a plurality of connecting post covers that are equipped with of inferior valve, be equipped with a plurality of joint posts in the upper casing, open the upper end of casing has the opening of shaking hands, 8 font openings have been seted up to the casing side. The flexible effect of holding the haulage rope is tied up more easily, has improved and has used experience.
The opening of shaking hands is equipped with the silica gel cover, 8 font openings are equipped with the silica gel cover of 8 font, the lower extreme of casing is equipped with the silica gel protection pad to the flank, the 8 characters star open-ended of casing is equipped with the protection pad to the flank. The silica gel sleeve is added, so that the appearance and the hand feeling can be enhanced.
The wire coil 7 comprises a coil spring and a drum wheel, the drum wheel is connected with the shell through the coil spring, a press key is arranged on the side face of the drum wheel, and the press key is in contact connection with the self-locking mechanism. The in-process of pulling out the haulage rope can drive the disc spring rotatory, and the spring tightens up at disc spring rotation in-process, owing to there is the drum at the screens for the spring can not kick-back, keeps this state of tightening up always.
When the structure is in an initial state, as shown in fig. 1, the structure is in a free state; when the action occurs, downward force is applied to the key main body 5, the key main body 5 and the control rod 2 can move downwards along the shell 1, after a certain stroke, the control rod 2 is not in contact with the shell 1 any more, a forward degree of freedom is generated, the control rod 2 rotates forwards due to the action force of the poking spring 3 and is clamped into the concave part of the shell 1, and at the moment, the key main body 5 forms self-locking under the reverse action of the pressure spring 6. Such a direction achieves self-locking, as shown in the "self-locking state" of fig. 2.
If the self-locking is required to be released, the control rod 2 is reversely pulled down to be separated from the concave position of the shell 1, and the control rod is quickly reset under the pushing of the pressure spring 6.
The control rod 2 moves more smoothly, and a boss is additionally arranged on the front surface of the control rod 1, so that the friction area is reduced.
The key main body 5 is designed integrally, has both appearance and structure, is simple in mold and low in cost, is finished by one-time injection molding, and is superior to split design on the market. Meanwhile, the key body and the control rod are in a rotating structure, the structure is completed, and the control rod 2 and the key body 1 are assembled and clamped in the shaft hole without adding materials.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a based on button self-locking mechanism realizes tractor that haulage rope freely stretches out and draws back which characterized in that: the tractor capable of achieving free stretching of the traction rope based on the key self-locking mechanism comprises a shell, a self-locking mechanism, a wire coil and a telescopic rope, wherein the wire coil is arranged in the shell, the self-locking mechanism is arranged on the shell, the telescopic rope is arranged on the wire coil, one end of the telescopic rope is fixedly connected with the wire coil, and the other end of the telescopic rope passes through the self-locking mechanism and is arranged outside the shell.
2. The tractor of claim 1, based on self-locking mechanism of button realizes that haulage rope freely stretches out and draws back, its characterized in that, self-locking mechanism includes the control lever, dials the spring, button main part and pressure spring, the control lever is located in the button main part, dial the spring and locate in the button main part, the one end of dialling the spring is located in the control lever, dial the other end of spring with button main part contact is connected, the pressure spring is arranged in the casing, the pot head of pressure spring is located on the spliced pole in the button main part, the other end of pressure spring is located on the casing.
3. The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism according to claim 2, wherein the self-locking mechanism further comprises hand-feeling silica gel, and the hand-feeling silica gel is arranged on the top surface of the key main body.
4. The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism as claimed in claim 3, wherein the key body is integrally formed and comprises a pressing handle at the upper half part and a base at the lower half part, and the pressing handle is arranged on the base.
5. The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism as claimed in claim 4, wherein the cross section of the pressing handle is 8-shaped, the top surface of the pressing handle is an inclined surface, the side surface of the pressing handle is provided with an inward-recessed pressing handle groove, a plurality of mutually-connected reinforcing plates are arranged in the pressing handle, and a fixing column is arranged at the center of the plurality of reinforcing plates connected with the ground.
6. The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism according to claim 5, wherein the base is hollow with an opening at the bottom surface, the top surface of the base is provided with an inward concave groove, the bottom surface of the base is provided with a slot, the interaction between the slot and the groove is cross-shaped, the bottom surface angle of one end of the slotted side plate is an inclined surface, the bottom surface angle of the other end of the slotted side plate is in circular arc transition, and four corners of the base are in an inward concave arc structure.
7. The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism according to claim 6, wherein two side faces of the bottom end of the control rod are respectively provided with a connecting column, the inner face of the upper part of the control rod is provided with a fixed connecting pipe, the fixed connecting pipe is provided with a connecting plate, the top face of the control rod is provided with a concave-convex anti-skidding structure, and the lower part of the front side face of the control rod is provided with a convex face.
8. The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism according to claim 7, wherein the housing comprises an upper housing and a lower housing, the upper housing covers the lower housing and is connected with the lower housing in a clamping manner, a plurality of connecting column sleeves are arranged in the lower housing, a plurality of clamping columns are arranged in the upper housing, a handle opening is formed in the upper end of the housing, and an 8-shaped opening is formed in the side surface of the housing.
9. The tractor for realizing free extension and retraction of the traction rope based on the key self-locking mechanism according to claim 8, wherein the grip opening is provided with a silica gel sleeve, the 8-shaped opening is provided with an 8-shaped silica gel sleeve, a silica gel protection pad is arranged on the side surface opposite to the lower end of the shell, and a protection pad is arranged on the side surface opposite to the 8-shaped star opening of the shell.
10. The tractor for realizing free extension and retraction of a traction rope based on the key self-locking mechanism according to claim 9, wherein the wire coil comprises a coil spring and a drum, the drum is connected with the housing through the coil spring, a pressing key is arranged on the side surface of the drum, and the pressing key is in contact connection with the self-locking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087034.0U CN215992354U (en) | 2021-05-20 | 2021-05-20 | Tractor capable of achieving free extension of traction rope based on key self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087034.0U CN215992354U (en) | 2021-05-20 | 2021-05-20 | Tractor capable of achieving free extension of traction rope based on key self-locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215992354U true CN215992354U (en) | 2022-03-11 |
Family
ID=80523939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121087034.0U Expired - Fee Related CN215992354U (en) | 2021-05-20 | 2021-05-20 | Tractor capable of achieving free extension of traction rope based on key self-locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215992354U (en) |
-
2021
- 2021-05-20 CN CN202121087034.0U patent/CN215992354U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220311 |