CN211565767U - Ceiling device with internal slag collection function - Google Patents
Ceiling device with internal slag collection function Download PDFInfo
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- CN211565767U CN211565767U CN202020139038.8U CN202020139038U CN211565767U CN 211565767 U CN211565767 U CN 211565767U CN 202020139038 U CN202020139038 U CN 202020139038U CN 211565767 U CN211565767 U CN 211565767U
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Abstract
The utility model discloses a furred ceiling ware of inside collection sediment, include from the back to the preceding hitting needle body, hit needle body cover, cover and establish reset spring seat, hit needle cover on hitting needle body cover, hit needle body cover and be connected through coupling nut with hit needle cover, the centre bore of hitting needle body cover is the hitting needle hole, and the hitting needle passes the hitting needle hole and hits needle cover contact, hits needle body cover tip and opens the hitting needle cover through-hole that has and hits needle hub connection, it is equipped with radial outside bellied annular boss on the terminal surface before hitting needle body cover, be equipped with the air guide groove of deriving gas on the boss surface, it has the pressure release hole that is used for excreting the residue to open between air guide groove and the hitting needle cover through-hole. The high-temperature high-pressure gas generated after the existing percussion ceiling bomb moves towards the firing pin body sleeve, and residues which are not completely combusted are taken out to a percussion working area, so that the firing pin is corroded, and the working efficiency and the service life of the ceiling suspended device are influenced.
Description
Technical Field
The utility model relates to a penetrate nail fastening equipment field, concretely relates to furred ceiling ware of inside collection sediment.
Background
At present, in the using process of the special nail shooter for the suspended ceiling, the special nail shooting bullet for the suspended ceiling explodes at the front end, and energy generated by explosion is absorbed in the emission mechanism of the suspended ceiling. Therefore, the front part of the launching mechanism of the ceiling device can generate heat to generate high temperature, and in the using process, the user must grasp the object at the front part of the launching mechanism of the ceiling device manually and compress the object downwards to complete the ejection of the nail cartridge and the ejection of the shell, so that the user can shoot next time.
After the ceiling is fired and bounced, the plastic bottom cover cannot bear softening of high-temperature and high-pressure gas, so that a hole punctured by a firing pin is enlarged, the high-temperature and high-pressure gas moves backwards, the gas is released to more or less take incompletely combusted residues to a firing work area, the power is unstable, the residues in the firing area are more, and the flexibility and the service life of the ceiling lifter are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a furred ceiling ware of inside collection sediment to the high temperature high-pressure gas that produces after solving current percussion furred ceiling bullet removes in to the striker body cover, takes out the residue of complete combustion not to percussion work area, leads to the corrosion of striker, influences the work efficiency and the problem of life of furred ceiling ware.
The utility model discloses a following technical scheme realizes:
the utility model provides a furred ceiling ware of inside collection sediment, includes from the back to the preceding hitting needle body, hit needle body cover, cover and establish reset spring seat, hit needle cover on hitting needle body cover, hit needle body cover and hit needle cover and be connected through coupling nut, the centre bore of hitting needle body cover is for hitting the pinhole, hits the needle and passes and hit needle cover contact, hits needle body cover tip and opens the hitting needle cover through-hole that has and hit needle cover to be connected, hit and be equipped with radial outside bellied annular boss on the needle body cover front end face, be equipped with the air guide groove of deriving gas on the boss face, it has the pressure release hole that is used for excreting the residue to open between air guide groove and the hitting needle cover through-hole.
The utility model provides a ceiling suspended device with internal slag collection, the front end of the utility model is a section of the ceiling suspended device in the direction of firing pin shooting bullet, and the back end is the opposite end; the device comprises a striker body, a connecting sleeve connected with the striker body, a striker body sleeve fixedly connected with the connecting sleeve, a striker sleeve contacted with the striker body sleeve, a reset spring seat, a transmitting tube and a sound-proof shield, wherein the striker body, the connecting sleeve connected with the striker body, the striker body sleeve fixedly connected with the connecting sleeve, the striker sleeve contacted with the striker body sleeve, the reset spring seat, the transmitting tube and the sound-proof shield are sequentially arranged from back to front. The central hole of the striker body sleeve is a striker hole, the striker penetrates through the striker hole to be in sleeve contact with the striker, the striker is in contact with the projectile under the pushing action of the striker body to detonate the projectile, a large amount of high-temperature high-pressure gas and some residues of the projectile can be generated in the moment of detonation, the striker moves back under the action of a reset spring, the gas and part of the residues can enter the striker sleeve along with the movement of the striker, the striker sleeve is in contact with the striker body sleeve, the high-temperature high-pressure gas enters the striker sleeve along a gap between the striker and the striker sleeve, a through hole is formed in the contact position of the striker body sleeve and the striker sleeve, the gas and the residues enter the through hole, the high-pressure high-temperature gas and the residues are discharged out of the striker body sleeve through a pressure release hole and a gas guide groove, the gas and the residues enter a reset spring seat, and the reset spring seat is opened. Compared with the prior art that the firing pin body sleeve is not provided with the pressure relief hole and the exhaust groove for releasing high-temperature and high-pressure gas, residual residues after the projectile explodes can be accumulated in the firing pin sleeve, and moisture and carbon dioxide or nitrogen dioxide in the residues corrode the firing pin, so that the working efficiency and the service life of the ceiling suspended device are influenced; the design of the pressure release hole and the air guide groove of the firing pin body sleeve in the scheme is convenient for discharge high-temperature and high-pressure gas and collect the residue in the reset spring seat, after the use is completed, the residue is collected through the rotary reset spring seat, the whole operation process is simple, and the cost is low.
Furthermore, the connecting nut is in threaded connection with the front end of the striker body sleeve, the inner hole diameter of the connecting nut is smaller than the outer diameter of the front end of the striker body sleeve, and the inner hole diameter of the connecting nut is smaller than the outer diameter of the boss. A certain clearance is formed between the connecting nut and the lug boss on the firing pin body sleeve, and the clearance is used for discharging gas and residues in the firing pin body sleeve into the reset spring seat.
Furthermore, the end surface of the reset spring seat, which is contacted with the firing pin body sleeve, is the rear end of the reset spring seat, and the reset spring seat sleeved on the boss is the front end of the reset spring seat; the rear end of the reset spring seat is rotationally connected with the firing pin body sleeve, and the front end of the reset spring seat is rotationally connected with the transmitting tube sleeved on the firing pin sleeve. The contact end of the reset spring seat and the firing pin body sleeve is the rear end of the reset spring seat, and the contact end of the reset spring seat and a boss on the firing pin body sleeve is the front end of the reset spring seat; the reset spring seat is provided with a stepped hole on the inner hole, threads are arranged on the inner walls of two ends of the reset spring seat, the reset spring seat is in threaded connection with the firing pin body sleeve and the transmitting tube, and the reset spring seat is taken out from the end part of the firing pin body by rotating the threads, so that residues between the reset spring seats can be collected conveniently.
Furthermore, the diameter of an inner hole at the front end of the reset spring seat is equal to the diameter of an outer hole of the hammer body sleeve, and the diameter of an inner hole at the rear end of the reset spring seat is larger than the diameter of an outer hole of the boss. The front end of the reset spring seat is connected with the firing pin sleeve, the rear end of the reset spring seat is slightly larger than the diameter of the outer hole of the boss, a gap exists between the reset spring seat and the boss, and high-temperature and high-pressure gas and residues in the firing pin body sleeve are conveniently discharged into the reset spring seat through the gap.
Furthermore, the number of the pressure relief holes is 4, and the 4 pressure relief holes are symmetrically arranged along the central line of the striker body sleeve. 4 pressure release hole annular equipartitions are sheathe in at the striker body, and a plurality of pressure release holes can discharge high temperature high-pressure gas and residue simultaneously, reduce the temperature in the cover of the hammer sleeve fast, improve work efficiency, prolong the life of cover of the hammer sleeve.
Furthermore, the inner wall of the through hole of the striker body sleeve is provided with an annular groove, and the striker sleeve is provided with a bulge matched with the annular groove.
Furthermore, a step surface is formed between the annular groove and the firing pin sleeve through hole, the step surface is in contact with the protrusion, and one end, far away from the step surface, of the firing pin sleeve is in sliding connection with the transmitting tube. The step surface on the firing pin body sleeve clamps the firing pin sleeve through a connecting nut on the firing pin sleeve, so that the position of the firing pin sleeve and the position of the firing pin body sleeve are fixed.
Furthermore, one side of the lug boss far away from the air guide groove is provided with an arc-shaped step for preventing air from moving towards the direction of the striker body. The arc step is in diameter contact with the inner hole of the reset spring seat, so that high-temperature and high-pressure gas is prevented from entering the needle hitting body.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model relates to a furred ceiling ware of inside collection sediment, it has the through-hole of being connected with the firing pin cover to open in firing pin body cover, is equipped with pressure release hole and air guide groove in firing pin body cover, makes high temperature high pressure gas and the residue in the firing pin cover move backward and enter into firing pin body cover, and gas and residue discharge firing pin body cover along pressure release hole and air guide groove, avoid the residue to pile up in firing pin cover for a long time, moisture and gas in the residue are easy to the firing pin corrosion, influence the work efficiency and the life of furred ceiling ware; this furred ceiling ware has improved work efficiency, the life of extension firing pin.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the ceiling suspended unit of the present invention;
FIG. 2 is a schematic structural view of a striker body sleeve in the ceiling device;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a schematic view of the striker sleeve assembly in the ceiling.
Reference numbers and corresponding part names in the drawings:
1-sound insulation cover, 2-launching tube, 3-firing pin sleeve, 31-bulge, 4-reset spring seat, 41-reset spring seat front end, 42-reset spring seat rear end, 5-firing pin, 6-connecting nut, 7-firing pin body sleeve, 71-firing pin hole, 72-pressure relief hole, 73-air guide groove, 74-boss, 75-arc step, 76-step surface, 8-connecting sleeve and 9-firing pin body sleeve
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1 to 4, the utility model relates to a furred ceiling ware of inside collection sediment, include from the back to the preceding hitting needle body 9, hit needle body cover 7, cover and establish reset spring seat 4, hit needle cover 3 on hitting needle body cover 7, hit needle body cover 7 and hit needle cover and be connected through coupling nut 6, the centre bore of hitting needle body cover 7 is hit needle hole 71, and the hit needle passes hit needle hole 71 and hit needle cover 3 contact, hits the needle body cover 7 tip and opens the hitting needle cover through-hole of being connected with hit needle cover 3, hit and be equipped with radial outside bellied annular boss 74 on the needle body cover 7 preceding terminal surface, be equipped with the air guide groove 73 of deriving gas on the boss 74 face, it has the pressure release hole 72 that is used for excreting the residue to open between air guide groove 73 and the needle cover 3 through-hole.
The embodiment provides a ceiling suspended device with internal slag collection, a firing pin 5 is contacted with a projectile in a launching tube 2 under the action of huge thrust, the projectile explodes to generate a large amount of high-temperature high-pressure gas and residue of the projectile, most of the gas and the residue are ejected out of the launching tube 2, but the firing pin 5 moves back in a firing pin sleeve 3 under the action of a return spring, because the pressure in the firing pin sleeve 3 is inconsistent with the external pressure, the lower part of the high-temperature high-pressure gas and the residue enter the firing pin sleeve 3, the firing pin sleeve 3 is contacted with a through hole of a firing pin sleeve 7, the gas pressure and the residue enter the firing pin sleeve 7, pressure relief holes 72 are symmetrically formed in the firing pin sleeve 3 along the central line of the firing pin sleeve 7, an annular boss 74 is arranged on the outer circumferential surface of the firing pin sleeve 7, a gas guide groove 73 is formed in the boss 74, the gas and the residue enter the pressure relief holes 72 and the gas guide groove 73 and are discharged into, realize the discharge of high temperature high pressure gas and residue, avoid the gas and the residue of production to pile up in firing pin cover 3 for a long time, the moisture in the residue is easy to parts such as firing pin corrosion, influences the work efficiency and the life of furred ceiling ware. The design of the pressure release hole and the air guide groove of the firing pin body sleeve in the scheme is convenient for discharge high-temperature and high-pressure gas and collect the residue in the reset spring seat 4, after the use is completed, the residue is collected through the rotary reset spring seat 4, the whole operation process is simple, and the cost is low.
Example 2:
as shown in fig. 4, in the ceiling device with internal slag collection, in embodiment 1, the connection nut 6 is in threaded connection with the front end of the needle striking body sleeve 7, the diameter of the inner hole of the connection nut 6 is smaller than the outer diameter of the front end of the needle striking body sleeve 7, and the diameter of the outer hole of the connection nut 6 is smaller than the outer diameter of the boss 74.
The connecting nut 6 is welded with the firing pin body sleeve 7, the diameter of an outer hole of the connecting nut 6 is slightly smaller than that of an outer circular surface of the boss 74, the diameter of an inner hole of the front end 41 of the return spring seat is slightly larger than that of the outer circular surface of the boss 74, the diameters of the front end 41 of the return spring seat and the rear end 42 of the return spring seat are different, a second step surface is formed between the front end 41 of the return spring seat and the rear end 42 of the return spring seat, an arc-shaped step 75 is arranged at the contact end of the second step surface on the boss 74, the arc-shaped step 75 is in contact with the second step surface in an abutting mode, the position of the return spring seat 4 is limited, and high-temperature and high-. Gaps exist between the return spring seat 4 and the boss 74 and between the return spring seat 4 and the connecting nut 6, and the gaps are used for discharging high-temperature and high-pressure gas and residues in the needle striking body sleeve 7.
In this embodiment, the end surface of the return spring seat 4 contacting the firing pin body sleeve 7 is the return spring seat rear end 42, and the return spring seat 4 sleeved on the boss 74 is the return spring seat front end 41; the rear end 42 of the reset spring seat is rotationally connected with the firing pin body sleeve 7, and the front end 41 of the reset spring seat is rotationally connected with the transmitting tube 2 sleeved on the firing pin sleeve 7. The rear end 42 of the reset spring seat is rotationally connected with the firing pin body sleeve 7, and the front end 41 of the reset spring seat crosses the lug boss 74 to be rotationally connected with the transmitting tube 2 sleeved on the firing pin sleeve 7. The diameters of the front end 41 of the reset spring seat and the rear end 42 of the reset spring seat are different, the diameter of the front end 41 of the reset spring seat is larger than that of the reset spring seat 42, and the second step surface is in contact with the boss 74 in the hammer body sleeve 7 to limit the reset spring seat 4 to move towards the front end.
In the embodiment, the diameter of the inner hole of the front end 41 of the return spring seat is equal to the diameter of the outer hole of the hammer body sleeve 7, and the diameter of the inner hole of the rear end 42 of the return spring seat is larger than the diameter of the outer hole of the boss 74.
In this embodiment, the number of the pressure relief holes 72 is 4, and the 4 pressure relief holes 72 are symmetrically arranged along the center line of the striker body cover 7. The pressure relief holes 72 are uniformly distributed on the striker body sleeve in a ring shape, so that high-temperature and high-pressure gas and residues in the striker body sleeve can be conveniently discharged.
In this embodiment, the inner wall of the through hole of the needle striking body sleeve 7 is provided with an annular groove, and the needle striking sleeve 3 is provided with a bulge 31 matched with the annular groove. Annular groove and protruding 31 clearance fit, clearance fit combines the supporting spring who sets up between striker body cover 7 and launching tube 2 to realize the relative unsteady in the use, overcomes supporting spring power effect time spent, and striker body cover 7, striker body 9 move forward, further adapts to the furred ceiling nail of different length.
In this embodiment, a step surface 76 is formed between the annular groove and the through hole of the sleeve, the step surface 76 is in contact with the protrusion 31, and one end of the sleeve 3, which is far away from the step surface 76, is slidably connected with the launching tube 2.
In this embodiment, the side of the boss 74 away from the air guide groove 73 is provided with an arc step 75 for preventing the air from moving toward the striker body 9. The radial length of the arc-shaped step 75 is larger than that of the boss 74, and the contact end of the arc-shaped step 75 and the reset spring seat 4 is provided with an arc-shaped chamfer angle for convenient installation.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a furred ceiling ware of inside collection sediment, includes from back to the preceding attack needle body (9), hits needle body cover (7), cover and establish reset spring seat (4), hit needle cover (3) on hitting needle body cover (7), its characterized in that, hit needle body cover (7) and hit needle cover and pass through coupling nut (6) and be connected, the centre bore of hitting needle body cover (7) is for hitting needle hole (71), and the striker passes and hits needle hole (71) and hits needle cover (3) contact, hits needle body cover (7) tip and opens the needle cover through-hole that has and hit needle cover (3) to be connected, it is equipped with radial outside bellied annular boss (74) on the terminal surface before hitting cover (7), be equipped with air guide groove (73) of deriving gas on boss (74) surface, it has pressure release hole (72) that are used for excreting the residue to open between air guide groove (73) and the hit needle cover through-hole.
2. An internal slag-collecting ceiling device according to claim 1, characterized in that the connecting nut (6) is in threaded connection with the front end of the striker body sleeve (7), the inner hole diameter of the connecting nut (6) is smaller than the outer diameter of the front end of the striker body sleeve (7), and the outer hole diameter of the connecting nut (6) is smaller than the outer diameter of the boss (74).
3. The ceiling device with the internal slag collection function according to claim 1, wherein the end face of the return spring seat (4) contacting with the striker body sleeve (7) is the rear end (42) of the return spring seat, and the return spring seat (4) sleeved on the boss (74) is the front end (41) of the return spring seat; the rear end (42) of the reset spring seat is rotationally connected with the firing pin body sleeve (7), and the front end (41) of the reset spring seat is rotationally connected with the transmitting tube (2) sleeved on the firing pin sleeve (3).
4. The ceiling device with the internal slag collection function as claimed in claim 3, wherein the diameter of the inner hole of the front end (41) of the return spring seat is equal to the diameter of the outer hole of the hammer body sleeve (7), and the diameter of the inner hole of the rear end (42) of the return spring seat is larger than the diameter of the outer hole of the boss (74).
5. The ceiling with internal slag collection function according to claim 1, wherein the number of the pressure relief holes (72) is 4, and the 4 pressure relief holes (72) are symmetrically arranged along the central line of the striker body sleeve (7).
6. The ceiling device with the internal slag collection function according to claim 1, wherein an annular groove is formed in the inner wall of the through hole of the needle striking body sleeve (7), and a protrusion (31) matched with the annular groove is formed in the needle striking sleeve (3).
7. The ceiling device with the internal slag collecting function according to claim 6, wherein a step surface (76) is formed between the annular groove and the through hole of the needle sleeve, the step surface (76) is in contact with the protrusion (31), and one end, far away from the step surface (76), of the needle sleeve (3) is in sliding connection with the emission tube (2).
8. An internal slag-collecting ceiling device according to claim 1, wherein the side of the boss (74) remote from the air guide groove (73) is provided with an arc-shaped step (75) for preventing air from moving toward the striker body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139038.8U CN211565767U (en) | 2020-01-21 | 2020-01-21 | Ceiling device with internal slag collection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139038.8U CN211565767U (en) | 2020-01-21 | 2020-01-21 | Ceiling device with internal slag collection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211565767U true CN211565767U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020139038.8U Active CN211565767U (en) | 2020-01-21 | 2020-01-21 | Ceiling device with internal slag collection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211565767U (en) |
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2020
- 2020-01-21 CN CN202020139038.8U patent/CN211565767U/en active Active
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