CN217452243U - Durable perforator long in service life - Google Patents
Durable perforator long in service life Download PDFInfo
- Publication number
- CN217452243U CN217452243U CN202220698149.1U CN202220698149U CN217452243U CN 217452243 U CN217452243 U CN 217452243U CN 202220698149 U CN202220698149 U CN 202220698149U CN 217452243 U CN217452243 U CN 217452243U
- Authority
- CN
- China
- Prior art keywords
- hole
- piston pump
- gravity center
- durable
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
A long-life durable hole digger comprises a machine body, a piston pump arranged on the lower side of the machine body and a hole forming seat arranged on the upper side of the machine body, wherein a clamping inlet is formed in the right side of the hole forming seat, a female die is arranged on the upper side of the clamping inlet, a male die matched with the piston pump is arranged on the lower side of the clamping inlet, and an annular positioning step is formed between the outer wall of the machine body and the outer wall of the piston pump; a protective pipe is externally screwed outside the piston pump, and the upper end surface of the protective pipe is attached to the positioning step; an annular limiting part extends outwards from the outer edge of the upper end of the protective pipe; the upper end of the protective pipe is externally sleeved with an angle adjusting ring which is attached to the lower surface of the limiting part. The utility model discloses a long-life durable type hole digger can guarantee that mastering that can relax when user of service trompil stops the hole digger, avoids the hole digger to drop, even the hole digger drops, the impact force that produces when also can effectively cushion the hole digger and drop avoids the hole digger to be broken, guarantees the life of hole digger.
Description
Technical Field
The utility model relates to a hole digger, especially a durable type hole digger of long-life.
Background
The hole digger is the manual hydraulic tool that can trompil on the metal sheet, when needing to carry out the trompil to the metal sheet, and accessible card entry is arranged the metal sheet in between the die of hole digger and the terrace die, and when the hole digger was opened, the piston pump of hole digger just can start, pushes up the terrace die towards the die through the piston rod, utilizes the high pressure that hydraulic pressure brought to accomplish the trompil at last.
In life, a tripod needs to be built on an outer wall frequently, at the moment, a hole needs to be formed in a metal plate through a hole opener, two independent metal plates are connected and fixed together through a formed hole and a fastening ring, the tripod is built, other supports are built, therefore, in order to ensure the convenience of hole opening, a piston pump body of the hole opener needs to be directly held as a handle, the hole opener is held by hands to complete hole opening, a handrail is arranged on one side of the hole opener in order to ensure the stability of the hole opener, the position of the handrail on the traditional hole opener is fixed, but in the actual hole opening process, the position of a clamping inlet of the hole opener is fixed, so that in order to meet the position of the clamping inlet, a user can not hold the handrail and the piston pump body well, the tapping process is difficult to cause, the situation of falling off the hand is easy to occur during tapping, the surface of the traditional tapper is not provided with any buffer device, and when the tapper touches the ground, strong impact force can be generated, so that the tapper is broken, and the service life of the tapper is seriously influenced.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a durable type hole digger of long-life, the hole digger is lived in the grasp that can relax when it can guarantee that the user of service trompil, avoids the hole digger to drop, even the hole digger drops, also can effectively cushion the impact force that produces when the hole digger drops, avoids the hole digger to be broken, guarantees the life of hole digger.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a durable type hole digger of long-life, including the organism, locate the piston pump of organism downside and locate the trompil seat of organism upside, trompil seat right side is equipped with the card entry, and the card entry upside is equipped with the die, and the card entry downside is equipped with the terrace die that matches with the piston pump, its characterized in that: an annular positioning step is formed between the outer wall of the machine body and the outer wall of the piston pump; a protective pipe is externally screwed outside the piston pump, and the upper end surface of the protective pipe is attached to the positioning step; an annular limiting part extends outwards from the outer edge of the upper end of the protective pipe; the upper end of the protection pipe is externally sleeved with an angle adjusting ring which is attached to the lower surface of the limiting part, and the inner diameter of the angle adjusting ring is larger than the outer diameter of the protection pipe; the upper end of the protective pipe is screwed with a fastening ring which is attached to the lower surface of the angle adjusting ring; an extension arm is arranged on the right side of the peripheral surface of the fastening ring; the lower surface of the extension arm is provided with a handrail; the lower end surface of the protective pipe is lower than the lower end surface of the piston pump; a lower holding plate which is attached to the lower end face of the protective tube is arranged below the protective tube, and the lower holding plate is coaxial with the protective tube; the radius of the lower holding plate is equal to or larger than the distance between the right end face of the extension arm and the axis of the protection pipe; a plurality of hand holding openings which are uniformly distributed in the circumferential direction are formed in the outer edge of the lower holding plate; the upper surface of the lower holding plate is provided with a fixing head which is screwed in a pipe orifice at the lower end of the protective pipe, and the fixing head is tubular; the center of the lower holding plate is provided with a buffer hole; and a buffer device matched with the buffer hole is arranged in the buffer hole.
The buffer device comprises a gravity center seat arranged in the buffer hole; the upper end of the gravity center seat penetrates out of the buffer hole upwards and is provided with an annular clamping part, the lower surface of the clamping part is attached to the upper surface of the lower holding plate, and the outer peripheral surface of the clamping part is attached to the inner wall of the fixing head; the lower end of the gravity center seat penetrates out of the buffer hole downwards, the lower end face of the gravity center seat is lower than the lower surface of the lower holding plate, and an outer rubber pad is arranged on the lower end face of the gravity center seat; the center of the upper end surface of the gravity center seat is provided with an embedding hole; and a buffer spring is arranged between the bottom of the embedded hole and the lower end face of the piston pump.
An inner rubber pad is arranged on the upper surface of the clamping part.
The upper surface of the outer rubber pad and the lower end surface of the gravity center seat as well as the lower surface of the inner rubber pad and the upper surface of the clamping part are fixed by gluing.
The center of the lower end surface of the gravity center seat is provided with an air pressure hole; the upper surface of the outer rubber pad is provided with an extrusion hole which is coaxial with the air pressure hole; the outer peripheral surface of the bottom of the extrusion hole is provided with an annular caulking groove; a supporting pipe is arranged in the extrusion hole, and the peripheral surface of the supporting pipe is attached to the inner wall of the extrusion hole; the upper end surface of the supporting tube is coplanar with the lower end surface of the gravity center seat; the outer wall of the lower end of the supporting tube is provided with a positioning part matched with the caulking groove; the outer wall of the upper pipe orifice of the supporting pipe is provided with a conical surface which is narrow at the top and wide at the bottom.
And an arc-shaped rubber block is arranged at the bottom of the air pressure hole.
The upper end of the handrail is provided with a screw joint; the lower surface of the extension arm is provided with a screw hole which is in threaded connection with the screw joint.
The outer wall of the handrail is provided with a plurality of anti-skidding grooves which are uniformly distributed in the circumferential direction.
The outer wall of the fastening ring is provided with a plurality of anti-skid protrusions which are uniformly distributed on the circumference.
The utility model has the advantages that:
compared with the prior art, adopt the utility model discloses the durable type hole digger of long-life of structure can be adjusted the position at handrail place according to actual need, and a plurality of hold the mouth through being circumference evenly distributed cooperate in handrail position change, thereby guarantee that the user can be at self position mastering hole digger that can firmly all the time, user of service is difficult to hold the condition that the hole digger leads to the hole digger to take off the hand and drop when avoiding the hole digger trompil, if the condition that drops takes place for the hole digger, buffer then can effectively cushion the impact force that produces when the hole digger drops, avoid the too big condition that leads to the hole digger to break of impact force, effectively improve the durability of hole digger, prolong the life of hole digger.
Drawings
FIG. 1 is a schematic structural view of a long life and durable hole opener of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 and 2, the utility model provides a long-life durable hole digger, which comprises a machine body 1, a piston pump 2 arranged on the lower side of the machine body 1 and a hole forming seat 3 arranged on the upper side of the machine body 1, wherein the right side of the hole forming seat 3 is provided with a clamping opening 4, the upper side of the clamping opening 4 is provided with a female die 5, the lower side of the clamping opening 4 is provided with a male die 6 matched with the piston pump 2, and an annular positioning step 7 is formed between the outer wall of the machine body 1 and the outer wall of the piston pump 2; a protective pipe 8 is externally screwed on the piston pump 2, and the upper end surface of the protective pipe 8 is attached to the positioning step 7; an annular limiting part 9 extends outwards from the outer edge of the upper end of the protective tube 8; an angle adjusting ring 10 which is attached to the lower surface of the limiting part 9 is sleeved outside the upper end of the protective pipe 8, and the inner diameter of the angle adjusting ring 10 is larger than the outer diameter of the protective pipe 8; the upper end of the protective tube 8 is screwed with a fastening ring 11 which is attached to the lower surface of the angle adjusting ring 10; an extension arm 12 is arranged on the right side of the peripheral surface of the fastening ring 11; the lower surface of the extension arm 12 is provided with a handrail 13; the lower end surface of the protective pipe 8 is lower than the lower end surface of the piston pump 2; a lower holding plate 14 attached to the lower end face of the protective tube 8 is arranged below the protective tube 8, and the lower holding plate 14 is coaxial with the protective tube 8; the radius of the lower holding plate 14 is equal to or larger than the distance between the right end surface of the extension arm 12 and the axis of the protective tube 8; a plurality of hand holding openings 15 which are uniformly distributed in the circumferential direction are formed in the outer edge of the lower holding plate 14; the upper surface of the lower holding plate 14 is provided with a fixed head 16 which is screwed in a pipe orifice at the lower end of the protective pipe 8, and the fixed head 16 is tubular; the center of the lower holding plate 14 is provided with a buffer hole 17; and a buffer device matched with the buffer hole 17 is arranged in the buffer hole.
The buffer device comprises a gravity center seat 18 arranged in a buffer hole 17; the upper end of the gravity center seat 18 upwards penetrates through the buffer hole 17 and is provided with an annular clamping part 19, the lower surface of the clamping part 19 is attached to the upper surface of the lower holding plate 14, and the peripheral surface of the clamping part 19 is attached to the inner wall of the fixing head 16; the lower end of the gravity center seat 18 penetrates out of the buffer hole 17, the lower end face of the gravity center seat 18 is lower than the lower surface of the lower holding plate 14, and an outer rubber pad 20 is arranged on the lower end face of the gravity center seat 18; the center of the upper end surface of the gravity center seat 18 is provided with an embedding hole 21; a buffer spring 22 is arranged between the bottom of the embedding hole 21 and the lower end face of the piston pump 2.
An inner rubber pad 23 is arranged on the upper surface of the clamping part 19.
The upper surface of the outer rubber pad 20 and the lower end surface of the gravity center seat 18, and the lower surface of the inner rubber pad 23 and the upper surface of the clamping part 19 are fixed by glue.
The center of the lower end surface of the gravity center seat 18 is provided with an air pressure hole 24; the upper surface of the outer rubber pad 20 is provided with an extrusion hole 25 which is coaxial with the air pressure hole 24; the peripheral surface of the bottom of the extrusion hole 25 is provided with an annular caulking groove 26; a supporting pipe 27 is arranged in the extrusion hole 25, and the peripheral surface of the supporting pipe 27 is attached to the inner wall of the extrusion hole 25; the upper end surface of the supporting tube 27 is coplanar with the lower end surface of the gravity center seat 18; the outer wall of the lower end of the supporting tube 27 is provided with a positioning part 28 matched with the caulking groove 26; the outer wall of the upper end pipe orifice of the supporting pipe 27 is provided with a conical surface 29 which is narrow at the top and wide at the bottom.
An arc-shaped rubber block 30 is arranged at the bottom of the air pressure hole 24.
The upper end of the handrail 13 is provided with a screw joint 31; the lower surface of the extension arm 12 is provided with a screw hole 32 screwed with the screw connector 31.
The outer wall of the handrail 13 is provided with a plurality of anti-slip grooves 33 which are uniformly distributed in the circumference.
The outer wall of the fastening ring 11 is provided with a plurality of anti-skid protrusions 34 which are uniformly distributed on the circumference.
The utility model discloses a use method as follows:
when the hole digger is needed to perforate a metal plate, a user can hold the handrail 13 with one hand and directly buckle into one of the hand holding openings 15 to tightly grasp one side edge of the lower holding plate 14, so that both hands can obtain a force application point, and the hole digger can be firmly grasped to the maximum extent, if in the actual use process of the hole digger, along with the metal plate clamped into the clamping opening 4 of the hole digger seat 3, the user is difficult to hold the handrail 13 and the original hand holding opening 15, at the moment, the position of the handrail 13 can be adjusted, when adjusting the position of the handrail 13, the fastening ring 11 can be rotated downwards, along with the downward movement of the fastening ring 11, the fastening ring 11 does not press the angle adjusting ring 10 on the lower surface of the limiting part 9, the angle adjusting ring 10 can pass through the inner hole of the angle adjusting ring 10 to prevent the protection pipe 8 from rotating as the center, when the angle adjusting ring 10 rotates, the armrest 13 rotates along with the rotation, the angle begins to change, after the armrest 13 rotates to the actually required position, the fastening ring 11 can be rotated again, the fastening ring 11 moves upwards, the angle adjusting ring 10 is pressed on the lower surface of the limiting portion 9 again, the position of the armrest 13 after the angle adjustment is completed is fixed, at the moment, a user can select one of the hand holding openings 15 corresponding to the position of the armrest 13 according to the position of the armrest 13, and therefore, no matter which direction the clamping inlet 4 is located, the user can firmly hold the armrest 13 and the hand holding opening 15 at the position of the user, the user can firmly grasp the hole digger, the stability of the hole digger during hole forming is guaranteed, and the situation that the hole digger drops due to the fact that the hole digger is difficult to grasp by the user when the hole digger is used for hole forming is avoided.
Because of the gravity center seat 18, the gravity center of the hole digger will be transferred to the lower part of the piston pump 2, when the hole digger falls down, the hole digger will face the piston pump 2 to the ground under the action of the gravity center seat 18, at this time, the lower end surface of the gravity center seat 18 is opposite to the lower holding plate 14, and the lower end surface of the gravity center seat 18 is lower than the lower surface of the lower holding plate 14, so the gravity center seat 18 will contact the ground first, the lower end surface of the gravity center seat 18 is provided with the outer rubber pad 20, the outer rubber pad 20 will replace the lower surface of the gravity center seat 18 to contact with the ground, at this time, under the impact force generated by the falling of the hole digger, the ground will directly extrude the gravity center seat 18 through the outer rubber pad 20, during the extrusion of the gravity center seat 18, the outer rubber pad 20 will be extruded and generate elasticity, and this elasticity can buffer the impact force, and eliminate a part of the impact force, and the gravity center seat 18 moves up, the buffer spring 22 between the bottom of the hole 21 and the lower end surface of the piston pump 2 is squeezed and generates elasticity, at this time, the elasticity of the buffer spring 22 further buffers the impact force to further reduce the impact force on the piston pump 2, when the center of gravity seat 18 moves up to a certain extent, the inner rubber pad 23 disposed on the upper surface of the clamping portion 19 contacts with the lower end surface of the piston pump 2, as the center of gravity seat 18 continues to move up, the inner rubber pad 23 is squeezed and generates elasticity, the elasticity of the inner rubber pad 23 buffers the impact force again, finally the outer rubber pad 20 is squeezed into the buffer hole 17, at this time, the lower surface of the lower grip plate 14 contacts with the ground, the radius of the lower grip plate 14 is equal to or larger than the distance between the right end surface of the extension arm 12 and the axis of the protection tube 8, so as to ensure that the lower surface of the lower grip plate 14 has sufficient area, when the lower surface of the lower grip plate 14 contacts with the ground, the impact force that has been cushioned many times then evenly distributed to each position of holding board 14 down to even pressure-bearing guarantees that holding board 14 is steadily laminated in ground down, thereby guarantees that the hole digger is steadily stood on ground, makes hole digger itself can not take place any contact with ground, protects the hole digger in the at utmost.
To sum up, can know, the utility model discloses can adjust the position at handrail 13 place according to actual need, and a plurality of hand mouth 15 of holding through being circumference evenly distributed cooperate in handrail 13 position change, thereby guarantee that the user of service can be at self position mastering hole digger that can firmly all the time, user of service is difficult to hold the condition that the hole digger leads to the hole digger to take off the hand and drop when avoiding the hole digger trompil, if the condition that drops takes place for the hole digger, buffer then can effectively cushion the impact force that produces when the hole digger drops, avoid the too big condition that leads to the hole digger to break of impact force, effectively improve the durability of hole digger, the life of extension hole digger.
The upper surface of the outer rubber pad 20 and the lower end surface of the gravity center seat 18, and the lower surface of the inner rubber pad 23 and the upper surface of the clamping part 19 are fixed by gluing, and the outer rubber pad 20 and the inner rubber pad 23 are convenient to replace by adopting the fixing mode.
An air pressure hole 24 is arranged at the center of the lower end face of the gravity center seat 18, an extrusion hole 25 coaxial with the air pressure hole 24 is arranged on the upper surface of the outer rubber pad 20, an annular caulking groove 26 is arranged on the outer peripheral face of the bottom of the extrusion hole 25, a supporting tube 27 is arranged in the extrusion hole 25, the outer peripheral face of the supporting tube 27 is attached to the inner wall of the extrusion hole 25, the upper end face of the supporting tube 27 is coplanar with the lower end face of the gravity center seat 18, a positioning part 28 matched with the caulking groove 26 is arranged on the outer wall of the lower end of the supporting tube 27, a conical surface 29 with a narrow upper part and a wide lower part is arranged on the outer wall of a tube mouth at the upper end of the supporting tube 27, when the outer rubber pad 20 is extruded upwards from the ground, the supporting tube 27 is extruded into the air pressure hole 24, the existence of the conical surface 29 has a guiding function to ensure that the upper end of the supporting tube 27 can smoothly slide into the air pressure hole 24, the inner space of the extrusion hole 25 is equivalent to be small, and the air in the extrusion hole 25 can be extruded into the air pressure hole 24, at this time, the air pressure in the air pressure hole 24 is continuously increased to form high pressure, and the high pressure air pushes the outer rubber pad back through the hole bottom of the extrusion hole 25, so as to confront with a part of impact force, and effectively improve the buffering effect of the outer rubber pad 20.
The bottom of the air pressure hole 24 is provided with an arc-shaped rubber block 30, when the air pressure in the air pressure hole 24 is increased, the rubber block 30 is extruded by high-pressure air and generates elasticity, and the elasticity of the rubber block 30 can reversely push the high-pressure air to resist impact force together with the high-pressure air, so that the buffering effect is further improved.
The upper end of the handrail 13 is provided with a screw joint 31, and the lower surface of the extension arm 12 is provided with a screw hole 32 which is in screw connection with the screw joint 31, so that the fixing mode is convenient for dismounting the handrail and is beneficial to replacing and maintaining the handrail.
The outer wall of the handrail 13 is provided with a plurality of anti-skidding grooves 33 which are uniformly distributed in the circumference, and the existence of the anti-skidding grooves 33 can effectively improve the friction force between the handrail 13 and the hand, so that the user can further hold the handrail.
The outer wall of the fastening ring 11 is provided with a plurality of anti-skidding protrusions 34 which are uniformly distributed on the circumference, and the existence of the anti-skidding protrusions 34 can effectively improve the friction force between the fastening ring 11 and the hand, so that the user can rotate the fastening ring 11 to adjust the position of the handrail 13.
Claims (9)
1. The utility model provides a durable type hole digger of long-life, includes the organism, locates the piston pump of organism downside and locates the trompil seat of organism upside, and trompil seat right side is equipped with the card entry, and the card entry upside is equipped with the die, and the card entry downside is equipped with the terrace die that matches with the piston pump, its characterized in that: an annular positioning step is formed between the outer wall of the machine body and the outer wall of the piston pump; a protective pipe is externally screwed outside the piston pump, and the upper end surface of the protective pipe is attached to the positioning step; an annular limiting part extends outwards from the outer edge of the upper end of the protective pipe; the upper end of the protection pipe is externally sleeved with an angle adjusting ring which is attached to the lower surface of the limiting part, and the inner diameter of the angle adjusting ring is larger than the outer diameter of the protection pipe; the upper end of the protective pipe is screwed with a fastening ring which is attached to the lower surface of the angle adjusting ring; an extension arm is arranged on the right side of the peripheral surface of the fastening ring; the lower surface of the extension arm is provided with a handrail; the lower end surface of the protective pipe is lower than the lower end surface of the piston pump; a lower holding plate which is attached to the lower end face of the protective tube is arranged below the protective tube, and the lower holding plate is coaxial with the protective tube; the radius of the lower holding plate is equal to or larger than the distance between the right end surface of the extension arm and the axis of the protective tube; a plurality of hand holding openings which are uniformly distributed in the circumferential direction are formed in the outer edge of the lower holding plate; the upper surface of the lower holding plate is provided with a fixing head which is screwed in a pipe orifice at the lower end of the protective pipe, and the fixing head is tubular; the center of the lower holding plate is provided with a buffer hole; and a buffer device matched with the buffer hole is arranged in the buffer hole.
2. A long life and durable hole cutter as claimed in claim 1, wherein: the buffer device comprises a gravity center seat arranged in the buffer hole; the upper end of the gravity center seat penetrates out of the buffer hole upwards and is provided with an annular clamping part, the lower surface of the clamping part is attached to the upper surface of the lower holding plate, and the outer peripheral surface of the clamping part is attached to the inner wall of the fixing head; the lower end of the gravity center seat penetrates out of the buffer hole downwards, the lower end face of the gravity center seat is lower than the lower surface of the lower holding plate, and an outer rubber pad is arranged on the lower end face of the gravity center seat; the center of the upper end surface of the gravity center seat is provided with an embedding hole; and a buffer spring is arranged between the bottom of the embedded hole and the lower end face of the piston pump.
3. A long life and durable hole cutter as claimed in claim 2, wherein: an inner rubber pad is arranged on the upper surface of the clamping part.
4. A long life and durable hole cutter as claimed in claim 3, wherein: the upper surface of the outer rubber pad and the lower end surface of the gravity center seat as well as the lower surface of the inner rubber pad and the upper surface of the clamping part are fixed by gluing.
5. A long life and durable hole cutter as claimed in claim 3, wherein: the center of the lower end surface of the gravity center seat is provided with an air pressure hole; the upper surface of the outer rubber pad is provided with an extrusion hole which is coaxial with the air pressure hole; the peripheral surface of the bottom of the extrusion hole is provided with an annular caulking groove; a supporting pipe is arranged in the extrusion hole, and the peripheral surface of the supporting pipe is attached to the inner wall of the extrusion hole; the upper end surface of the supporting tube is coplanar with the lower end surface of the gravity center seat; the outer wall of the lower end of the supporting tube is provided with a positioning part matched with the caulking groove; the outer wall of the upper pipe orifice of the supporting pipe is provided with a conical surface which is narrow at the top and wide at the bottom.
6. A long life and durable hole cutter as claimed in claim 5, wherein: and an arc-shaped rubber block is arranged at the bottom of the air pressure hole.
7. A long life and durable hole cutter as claimed in claim 1, wherein: the upper end of the handrail is provided with a screw joint; the lower surface of the extension arm is provided with a screw hole which is in threaded connection with the screw joint.
8. A long life and durable hole cutter as claimed in claim 1, wherein: the outer wall of the handrail is provided with a plurality of anti-skidding grooves which are uniformly distributed in the circumferential direction.
9. A long life and durable hole cutter as claimed in claim 1, wherein: the outer wall of the fastening ring is provided with a plurality of anti-skid protrusions which are uniformly distributed on the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220698149.1U CN217452243U (en) | 2022-03-25 | 2022-03-25 | Durable perforator long in service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220698149.1U CN217452243U (en) | 2022-03-25 | 2022-03-25 | Durable perforator long in service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217452243U true CN217452243U (en) | 2022-09-20 |
Family
ID=83267879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220698149.1U Active CN217452243U (en) | 2022-03-25 | 2022-03-25 | Durable perforator long in service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217452243U (en) |
-
2022
- 2022-03-25 CN CN202220698149.1U patent/CN217452243U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050129544A1 (en) | Air nozzle and relief valve arrangement for vertical tire pump | |
| CN110757382B (en) | Self-locking reducing wrench socket | |
| CN217452243U (en) | Durable perforator long in service life | |
| TW201235148A (en) | One-hit tooling for flush mounted rotatable captive nut | |
| CN110744480B (en) | Self-locking reducing manipulator | |
| CN112024675B (en) | Interface punching and flattening equipment for manufacturing stainless steel corrugated pipe for gas appliance | |
| CN216846725U (en) | Tool for valve detection | |
| CN215634285U (en) | Novel spring screw | |
| CN211449724U (en) | Ball center adjusting mechanism and ball valve using same | |
| CN210881426U (en) | Chalk sleeve | |
| CN114161272A (en) | Composite grinding machine for simultaneously grinding outer diameter and spherical base surface of tapered roller | |
| CN209838367U (en) | Device for preventing rubber plug from rotating and separating | |
| CN208813380U (en) | A kind of bicycle seat pole lifting locking device | |
| CN107235460B (en) | Bottle opener | |
| CN215589988U (en) | Latex tube mounting tool for cigarette filter stick suction resistance detection instrument | |
| CN220258982U (en) | Be used for pipe fitting to wash and scrub and compress tightly head | |
| CN218015182U (en) | Punching device of differential gas outlet pressure pipe | |
| CN219943475U (en) | Dispensing head protection device of dispensing machine | |
| CN216228157U (en) | Cylinder body clamp of automobile air conditioner compressor | |
| TWI816207B (en) | Nozzle puller | |
| CN217310394U (en) | Fat suction joint capable of mounting fat suction needles with different diameters | |
| CN220054813U (en) | Push type emulsion pump head | |
| CN219045507U (en) | Positioning bolt | |
| CN220312475U (en) | Cutter capable of quickly replacing cutter head | |
| CN216936874U (en) | Prevent foaming glue gun adapter that valve ball deviates from |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |