CN211565762U

CN211565762U - Firing pin sleeve

Info

Publication number: CN211565762U
Application number: CN201922243671.1U
Authority: CN
Inventors: 贺宣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-25
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to the technical field of suspended ceiling nail shooter parts, in particular to a firing pin sleeve, which comprises a firing pin tube, a firing pin tube locking piece, a bearing seat and a firing pin sleeve; the firing pin sleeve is provided with a first firing pin hole and is also convexly provided with a step; the bearing seat is provided with a second pin striking hole which is communicated with the first pin striking hole; the firing pin tube is provided with a third firing pin hole which is communicated with the second firing pin hole; the firing pin tube locking piece is used for locking the firing pin tube to the firing pin sleeve. The firing pin sleeve is assembled by four parts of a firing pin tube, a firing pin tube locking piece, a bearing seat and a firing pin sleeve, the firing pin tube locking piece, the bearing seat and the firing pin sleeve can be separately processed and formed, the waste of raw materials is reduced, the manufacturing cost is reduced, and the processing difficulty is low. Meanwhile, when the needle striking tube, the needle striking tube locking piece, the bearing seat or the needle striking sleeve are worn, only the worn parts need to be replaced, and the replacement cost is greatly reduced.

Description

Firing pin sleeve

Technical Field

The utility model belongs to the technical field of furred ceiling ail shooter spare part technique and specifically relates to indicate a firing pin sleeve pipe.

Background

The firing pin sleeve is a spare part inside the furred ceiling ail shooter, and traditional firing pin sleeve is the thick integral type structure of the thin rear end of front end, adds man-hour, and the thinner part in the front end of firing pin sleeve needs the car to fall more raw and other materials, has increased manufacturing cost, and the processing degree of difficulty of the firing pin sleeve of integral type structure is big moreover. Meanwhile, when the firing pin sleeve is worn, the firing pin sleeve needs to be integrally replaced, and the replacement cost is high.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a firing pin sleeve pipe, this firing pin sleeve pipe is by firing pin pipe, firing pin pipe locking piece, bear the seat and fire four spare parts of firing pin cover equipment and form, and the firing pin pipe, the firing pin pipe locking piece, bear the seat and the firing pin cover can be processed alone respectively and form, reduces the waste of raw and other materials, has reduced manufacturing cost, and the processing degree of difficulty of striking the needle pipe moreover, firing pin pipe locking piece, bearing the seat and the firing pin cover is processed alone is low. Meanwhile, when the needle striking tube, the needle striking tube locking piece, the bearing seat or the needle striking sleeve are worn, only the worn parts need to be replaced, and the replacement cost is greatly reduced.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a firing pin sleeve comprises a firing pin tube, a firing pin tube locking piece, a bearing seat and a firing pin sleeve; the needle striking sleeve is provided with a first needle striking hole, the needle striking sleeve is also convexly provided with a step, the step is convexly arranged from the inner wall of the first needle striking hole to the central axis of the needle striking sleeve, and the step is used for bearing the bearing seat; the bearing seat is arranged in the first needle hitting hole and abuts against the step, the bearing seat is used for bearing the needle hitting tube, the bearing seat is provided with a second needle hitting hole, and the second needle hitting hole is communicated with the first needle hitting hole; one end of the needle striking tube is arranged in the first needle striking hole and is abutted against the bearing seat, the needle striking tube is provided with a third needle striking hole, and the third needle striking hole is communicated with the second needle striking hole; the firing pin tube locking piece is used for locking the firing pin tube to the firing pin sleeve.

Furthermore, the firing pin tube comprises a firing pin tube body and a firing pin tube base, and the firing pin tube base is connected to one end of the firing pin tube body; striker tube retaining member includes the retaining member body, striker tube base storage tank and striker tube body through-hole have been seted up to the retaining member body, striker tube base storage tank forms from the surface of retaining member body is inside sunken, striker tube base storage tank is used for holding establishes the striker tube base, striker tube body through-hole is used for intercommunication striker tube base storage tank and external, the one end that striker tube body kept away from the striker tube base is worn through striker tube body through-hole and is stretched out the retaining member body suddenly, retaining member body coupling is in the striker tube cover.

Further, the outer wall of the locking piece body is provided with an external thread, and the firing pin sleeve is provided with an internal thread used for being in threaded connection with the external thread.

Furthermore, the outer wall of the locking piece body is also convexly provided with a limiting bulge, and the limiting bulge is used for abutting against the striking needle sleeve.

Further, the firing pin tube base is welded at one end of the firing pin tube body.

Furthermore, the firing pin sleeve is provided with a limiting pin sliding groove, the limiting pin sliding groove penetrates through the firing pin sleeve, and a limiting pin of an external firing pin is arranged in the limiting pin sliding groove in a sliding manner.

Furthermore, the hammer sleeve is further provided with a brake pin sliding groove which is communicated with the first hammer hole, and a brake pin of an external hammer pin is arranged in the brake pin sliding groove in a sliding manner.

The utility model has the advantages that: during the in-service use, load into the inside of first hitting the pinhole with bearing the seat earlier, the step of striker sleeve is bearing and is bearing the seat, then installs the one end of hitting the needle pipe in the inside of first hitting the pinhole, bears the seat and is bearing the one end of hitting the needle pipe, locks the striker pipe in the striker sleeve with striker pipe locking piece at last for hit the needle pipe and connect into a whole with the striker sleeve. The utility model provides a firing pin sleeve pipe is formed by the equipment of four spare parts of firing pin pipe, firing pin pipe locking piece, bearing seat and firing pin cover, and the firing pin pipe, firing pin pipe locking piece, bearing seat and firing pin cover can be processed alone respectively and form, reduce the waste of raw and other materials, have reduced manufacturing cost, and the processing degree of difficulty of firing pin pipe, firing pin pipe locking piece, bearing seat and the independent processing of firing pin cover is low moreover. Meanwhile, when the needle striking tube, the needle striking tube locking piece, the bearing seat or the needle striking sleeve are worn, only the worn parts need to be replaced, and the replacement cost is greatly reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view taken along a-a in fig. 1.

Fig. 3 is a schematic view of the exploded structure of the present invention.

Fig. 4 is a schematic structural view of the striker tube locking member of the present invention.

Fig. 5 is a sectional view taken along the direction B-B in fig. 4.

Description of reference numerals:

the needle striking tube comprises a needle striking tube 1, a third needle striking hole 11, a needle striking tube body 12, a needle striking tube base 13, a needle striking tube locking piece 2, a locking piece body 21, a needle striking tube base accommodating groove 211, a needle striking tube body through hole 212, external threads 22, a limiting bulge 23, a bearing seat 3, a second needle striking hole 31, a needle striking sleeve 4, a first needle striking hole 41, a step 42, internal threads 43, a limiting pin sliding groove 44 and a brake pin sliding groove 45.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the present invention provides a firing pin bushing, which includes a firing pin tube 1, a firing pin tube locking member 2, a bearing seat 3 and a firing pin sleeve 4; the firing pin sleeve 4 is provided with a first firing pin hole 41, the firing pin sleeve 4 is also convexly provided with a step 42, the step 42 is convexly arranged from the inner wall of the first firing pin hole 41 to the central axis of the firing pin sleeve 4, and the step 42 is used for bearing the bearing seat 3; the bearing seat 3 is arranged in the first needle striking hole 41 and abuts against the step 42, the bearing seat 3 is used for bearing the needle striking tube 1, the bearing seat 3 is provided with a second needle striking hole 31, and the second needle striking hole 31 is communicated with the first needle striking hole 41; one end of the needle hitting tube 1 is arranged in the first needle hitting hole 41 and abuts against the bearing seat 3, the needle hitting tube 1 is provided with a third needle hitting hole 11, and the third needle hitting hole 11 is communicated with the second needle hitting hole 31; the striker tube locking piece 2 is used to lock the striker tube 1 to the striker bushing 4.

During practical use, the bearing seat 3 is firstly arranged in the first needle striking hole 41, the step 42 of the needle striking sleeve 4 bears the bearing seat 3, then one end of the needle striking tube 1 is arranged in the first needle striking hole 41, the bearing seat 3 bears one end of the needle striking tube 1, and finally the needle striking tube 1 is locked on the needle striking sleeve 4 by the needle striking tube locking piece 2, so that the needle striking tube 1 and the needle striking sleeve 4 are connected into a whole. The firing pin sleeve pipe of this application is formed by firing pin pipe 1, firing pin pipe retaining member 2, bear seat 3 and the equipment of 4 four spare parts of firing pin cover, and the firing pin pipe 1, firing pin pipe retaining member 2, bear seat 3 and the firing pin cover 4 can be processed alone respectively and form, reduce the waste of raw and other materials, reduced manufacturing cost, and the processing degree of difficulty of firing pin pipe 1, firing pin pipe retaining member 2, the independent processing of bearing seat 3 and firing pin cover 4 is low moreover. Meanwhile, when the firing pin tube 1, the firing pin tube locking piece 2, the bearing seat 3 or the firing pin sleeve 4 are worn, only the worn parts need to be replaced, and the replacement cost is greatly reduced.

As shown in fig. 1 to 5, in the present embodiment, the firing pin tube 1 includes a firing pin tube body 12 and a firing pin tube base 13, the firing pin tube base 13 is connected to one end of the firing pin tube body 12, and preferably, the firing pin tube base 13 is connected to one end of the firing pin tube body 12 by welding, riveting or screwing; striker tube retaining member 2 includes retaining member body 21, striker tube base storage tank 211 and striker tube body through-hole 212 have been seted up to retaining member body 21, striker tube base storage tank 211 is formed from the surface of retaining member body 21 is inside sunken, striker tube base storage tank 211 is used for holding and establishes striker tube base 13, striker tube body through-hole 212 is used for communicating striker tube base storage tank 211 and the external world, striker tube body 12 is kept away from the one end of striker tube base 13 and is worn through striker tube body through-hole 212 and stretches out retaining member body 21 suddenly, retaining member body 21 is connected in striker sleeve 4.

During practical use, the bearing seat 3 is firstly arranged in the first needle striking hole 41, the step 42 of the needle striking sleeve 4 bears the bearing seat 3, then one end of the needle striking tube 1 is arranged in the first needle striking hole 41, the bearing seat 3 bears the needle striking tube base 13 of the needle striking tube 1, then the locking piece body 21 is sleeved on the outer wall of the needle striking tube 1, the needle striking tube body 12 of the needle striking tube 1 penetrates through the needle striking tube body through hole 212 and protrudes out of the locking piece body 21, the needle striking tube base accommodating groove 211 is used for accommodating the needle striking tube base 13 of the needle striking tube 1, and then the locking piece body 21 is connected with the needle striking sleeve 4, so that the needle striking tube 1 and the needle striking sleeve 4 are connected into a whole. The firing pin tube 1 and the firing pin tube locking piece 2 have simple structures, low processing difficulty and low processing cost. And the firing pin tube 1, the firing pin tube locking piece 2, the bearing seat 3 and the firing pin sleeve 4 are convenient to disassemble and assemble, when the firing pin tube 1, the firing pin tube locking piece 2, the bearing seat 3 or the firing pin sleeve 4 are worn, only worn parts need to be replaced, and the replacement cost is greatly reduced.

In this embodiment, as shown in fig. 3, the outer wall of the locker body 21 is provided with the external thread 22, and the striker bushing 4 is provided with the internal thread 43 for screw-coupling with the external thread 22.

In actual use, the locking member body 21 is threadedly connected to the firing pin bushing 4 through the threaded engagement of the external thread 22 and the internal thread 43, and the firing pin barrel locking member 2 can tightly lock the firing pin barrel 1 to the firing pin bushing 4, so that the firing pin bushing can stably operate. And the connecting mode of the locking piece body 21 and the firing pin sleeve 4 is simple, so that the locking piece is convenient to disassemble and assemble, and worn parts are convenient to replace.

In this embodiment, as shown in fig. 3, the outer wall of the locking member body 21 is further protruded with a limiting protrusion 23, and the limiting protrusion 23 is used for abutting against the striking needle sheath 4.

In practical use, when the limiting protrusion 23 of the locking member body 21 abuts against the striking sleeve 4, the limiting protrusion 23 can limit the locking member body 21 to rotate continuously, so as to prevent the limiting protrusion 23 from rotating excessively.

In the present embodiment, as shown in fig. 3, the hammer tube base 13 is welded to one end of the hammer tube body 12. In actual use, the firing pin tube 1 is formed by connecting the firing pin tube body 12 and the firing pin tube base 13, and the firing pin tube body 12 and the firing pin tube base 13 can be respectively and independently processed, so that the waste of raw materials is reduced, and the manufacturing cost is reduced. Specifically, the striker tube base 13 is fixedly connected to one end of the striker tube body 12 by electric welding.

As shown in fig. 3, in this embodiment, the firing pin sleeve 4 is provided with a limit pin sliding groove 44, the limit pin sliding groove 44 penetrates through the firing pin sleeve 4, and a limit pin of an external firing pin is slidably disposed in the limit pin sliding groove 44. The hammer sleeve 4 is further provided with a brake pin sliding groove 45, the brake pin sliding groove 45 is communicated with the first hammer hole 41, and a brake pin of an external hammer pin is arranged in the brake pin sliding groove 45 in a sliding mode.

In actual use, the stopper pin of the external striker slides along the stopper pin sliding groove 44, and the stopper pin of the external striker slides along the stopper pin sliding groove 45. The normal work of the external firing pin is ensured.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A firing pin bushing, comprising: comprises a firing pin tube, a firing pin tube locking piece, a bearing seat and a firing pin sleeve; the needle striking sleeve is provided with a first needle striking hole, the needle striking sleeve is also convexly provided with a step, the step is convexly arranged from the inner wall of the first needle striking hole to the central axis of the needle striking sleeve, and the step is used for bearing the bearing seat; the bearing seat is arranged in the first needle hitting hole and abuts against the step, the bearing seat is used for bearing the needle hitting tube, the bearing seat is provided with a second needle hitting hole, and the second needle hitting hole is communicated with the first needle hitting hole; one end of the needle striking tube is arranged in the first needle striking hole and is abutted against the bearing seat, the needle striking tube is provided with a third needle striking hole, and the third needle striking hole is communicated with the second needle striking hole; the firing pin tube locking piece is used for locking the firing pin tube to the firing pin sleeve.

2. A firing pin bushing according to claim 1 wherein: the firing pin tube comprises a firing pin tube body and a firing pin tube base, and the firing pin tube base is connected to one end of the firing pin tube body; striker tube retaining member includes the retaining member body, striker tube base storage tank and striker tube body through-hole have been seted up to the retaining member body, striker tube base storage tank forms from the surface of retaining member body is inside sunken, striker tube base storage tank is used for holding establishes the striker tube base, striker tube body through-hole is used for intercommunication striker tube base storage tank and external, the one end that striker tube body kept away from the striker tube base is worn through striker tube body through-hole and is stretched out the retaining member body suddenly, retaining member body coupling is in the striker tube cover.

3. A firing pin bushing according to claim 2 wherein: the outer wall of retaining member body is provided with the external screw thread, hits the needle cover and is provided with the internal thread that is used for with external screw thread threaded connection.

4. A striker sleeve according to claim 2 or 3, characterized by: the outer wall of retaining member body still protruding spacing arch that is equipped with, spacing arch is used for supporting the impact needle cover.

5. A firing pin bushing according to claim 2 wherein: the base of the firing pin tube is welded at one end of the firing pin tube body.

6. A firing pin bushing according to claim 1 wherein: the firing pin sleeve is provided with a limiting pin sliding groove, the limiting pin sliding groove penetrates through the firing pin sleeve, and a limiting pin of an external firing pin is arranged in the limiting pin sliding groove in a sliding mode.

7. A firing pin bushing according to claim 1 wherein: the hammer sleeve is further provided with a brake pin sliding groove which is communicated with the first hammer hole, and a brake pin of an external hammer pin is arranged in the brake pin sliding groove in a sliding mode.