CN219902040U - Integrated cylinder structure of gas compression energy storage mechanism of electric nailing gun - Google Patents
Integrated cylinder structure of gas compression energy storage mechanism of electric nailing gun Download PDFInfo
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- CN219902040U CN219902040U CN202321534447.8U CN202321534447U CN219902040U CN 219902040 U CN219902040 U CN 219902040U CN 202321534447 U CN202321534447 U CN 202321534447U CN 219902040 U CN219902040 U CN 219902040U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 30
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Abstract
The utility model discloses an integrated cylinder structure of a gas compression energy storage mechanism of an electric nailing gun, which mainly comprises an inner cylinder body and an outer cylinder body which are coaxially arranged, wherein a plurality of connecting ribs which are integrally formed with the outer cylinder body are arranged on the outer wall of the inner cylinder body at intervals along the circumferential direction; a sealing rubber plug is arranged between the front ends of the inner cylinder body and the outer cylinder body. The integrated cylinder body structure designed by the utility model has the characteristics that the inner cylinder body and the outer cylinder body in the cylinder body are arranged in a connected structure, and the integrated cylinder body structure has the characteristics of high coaxiality of the inner cylinder body and the outer cylinder body, simplicity and convenience in processing and less consumable loss.
Description
Technical Field
The utility model relates to a gas compression energy storage mechanism of an electric nailing gun, in particular to an integrated cylinder structure of the gas compression energy storage mechanism of the electric nailing gun.
Background
The electric nailing gun is a hand-held nailing tool, which is mainly used for construction of building, furniture and decoration. There are various energy storage mechanisms in the existing electric nailing gun, one of which is to perform energy storage operation by utilizing gas compression, and the gas compression energy storage mechanism generally consists of a cylinder body and a piston in the cylinder body, wherein a closed compression cavity is formed by the piston and a space at the rear end of the cylinder body, and in operation, the piston is pushed to move backwards to perform energy storage operation of gas compression.
In order to ensure that sufficient explosive force and stable explosive force are obtained during nailing, sufficient gas volume still exists after compression, the conventional cylinder body is generally provided with a double cylinder structure, the structure of the conventional cylinder body is shown in fig. 1, the whole cylinder body mainly comprises an inner cylinder body 1', an outer cylinder body 2', a rear end cover 3' and a front end cover 4', an outer circular part 31' and an inner clamping groove 32' are arranged on the rear end cover 3', the outer circular part 31' is externally threaded and connected with the inner thread at the tail end of the outer cylinder body 2', the inner clamping groove 32' is clamped and positioned and connected with the tail part of the inner cylinder body 1' and provided with a gas flow channel 33', the front end of the inner cylinder body 1' is provided with an externally protruding connecting flange 11', the connecting flange 11' is in sealing connection with an internally protruding connecting part 21' at the front end of the outer cylinder body 2', a piston 5' with sealing performance is arranged in the inner cylinder body 1', and the front end of the inner cylinder body 1' is provided with the front end cover 4'.
In this case, the space between the inner and outer cylinders in the above structure constitutes the air reservoir 7', and the air reservoir 7' is structured so as to effectively increase the volume of the compressed air. In the process of piston backward movement and gas compression, compressed gas in the inner cylinder body 1' enters the gas storage chamber 7' from the gas flow channel 33', so that the stroke of the piston 5' is effectively prolonged to obtain larger compressed energy storage, and in the process of nailing the piston 5', the compressed gas flows back into the inner cylinder body 1' through the gas flow channel 33', so that automatic backflow supplement of the compressed gas is realized.
Here, the outer cylinder 2 'and the inner cylinder 1' in the above structure are a split combined structure, and it has been found through years of use that the above split structure has the following disadvantages:
1. the front end of the inner cylinder body 1 'is in sealing connection with the connecting part 21' of the outer cylinder body 2 'through the connecting flange 11', but in practice, the sealing element has the characteristic of easy deformation because of the sealing connection, so that the coaxial centering of the inner cylinder body and the outer cylinder body is not ensured, the centering operation effect of the piston 5 'in the inner cylinder body 1' is seriously influenced, and finally the nailing effect of the electric nailing gun is influenced.
2. The front end of the inner cylinder body 1 'is provided with a connecting flange 11' far greater than the wall thickness of the cylinder body, in the processing, the inner cylinder body 1 'is generally processed by adopting a metal pipe with the same thickness as the connecting flange 11' so as to obtain the space of the corresponding air storage chamber 7 'and the wall thickness of the cylinder body, and other parts outside the connecting flange 11' are required to be removed by turning, so that the processing is troublesome and serious consumable loss exists.
3. The front end of the outer cylinder body 2 'is provided with a connecting part 21' which is equivalent to the wall thickness twice of the cylinder body, in the processing, the outer cylinder body 2 'is also processed by adopting a metal pipe with the same thickness as the connecting part 21', and in order to obtain the corresponding wall thickness of the cylinder body and the space of the air storage chamber 7', other parts outside the connecting part 21' are required to be removed by cutting processing, and the problems of troublesome processing and consumable consumption are also existed.
Disclosure of Invention
Aiming at the problems, the utility model designs an integrated cylinder body structure of the gas compression energy storage mechanism of the electric nail gun, wherein an inner cylinder body and an outer cylinder body in the cylinder body are arranged in a connected structure, and the integrated cylinder body structure has the characteristics of high coaxiality of the inner cylinder body and the outer cylinder body, simplicity and convenience in processing and less consumable loss.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an electronic nail rifle gas compression energy storage mechanism's integral type cylinder body structure, mainly includes the interior cylinder body and the outer cylinder body of coaxial setting, its characterized in that: a plurality of connecting ribs which are integrally formed with the outer cylinder body are arranged on the outer wall of the inner cylinder body at intervals along the circumferential direction; a sealing rubber plug is arranged between the front ends of the inner cylinder body and the outer cylinder body.
More specifically, the length of the connecting rib is not less than one twentieth of the length of the whole inner cylinder body.
More specifically, each connecting rib is radially distributed relative to the center of the inner cylinder body.
More specifically, each connecting rib is uniformly distributed along the circumferential direction.
More specifically, the section of the sealing rubber plug is of a U-shaped structure.
More specifically, an outer mounting step for positioning the sealing rubber plug is arranged on the inner wall of the outer cylinder body.
More specifically, an inner mounting step for positioning the sealing rubber plug is arranged on the outer wall of the inner cylinder body.
More specifically, the novel gas cylinder comprises a rear end cover, wherein an outer circular part and an inner clamping groove are formed in the rear end cover, the outer circular part is externally threaded and connected with the inner thread of the tail part of the outer cylinder body, the inner clamping groove is in clamping and positioning connection with the tail part of the inner cylinder body, and a gas flow channel is reserved between the tail part of the inner cylinder body and the rear end cover.
More specifically, a sealing rubber ring is arranged between the outer circle part and the tail end of the outer cylinder body.
More specifically, a piston with tightness is arranged in the inner cylinder body, a front end cover is arranged at the front end of the inner cylinder body, the front side of the piston is connected with a gun needle, and the gun needle penetrates through a through hole in the front end cover and extends out of the cylinder body.
According to the cylinder body structure designed by the utility model, the plurality of connecting ribs which are integrally formed with the outer cylinder body are arranged on the outer wall of the inner cylinder body at intervals along the circumferential direction, so that the inner cylinder body and the outer cylinder body form an integral structure, the integral structure can completely eliminate assembly errors and assembly gaps of the inner cylinder body and the outer cylinder body, the coaxiality and the centering of the inner cylinder body relative to the outer cylinder body are ensured, the centering of the piston operation is further ensured, and the nailing stability of the electric nailing gun is improved.
The front ends of the outer cylinder body and the inner cylinder body are connected through the sealing rubber plug, compared with the existing split structure, the connecting flange and the connecting part structure are completely omitted, the cylinder wall of the whole outer cylinder body is kept in a basically equal-thickness structure, the cylinder wall of the whole inner cylinder body is also kept in a basically equal-thickness structure, a space of the air storage chamber is naturally formed between the inner cylinder body and the outer cylinder body, the operation of cutting and removing materials to form the air storage space is not needed to be adopted in production, the process is simplified, and the loss of consumable materials is reduced.
Drawings
FIG. 1 is a cross-sectional view of a cylinder block of a prior art split construction;
FIG. 2, a cross-sectional view of a cylinder of the present utility model;
FIG. 3 is a schematic perspective view of the outer cylinder and the inner cylinder of the present utility model;
FIG. 4 is a schematic perspective view of a rear end cap of the present utility model;
fig. 5 is a schematic perspective view of a sealing rubber plug according to the present utility model.
Detailed Description
As shown in fig. 2-5, an integrated cylinder structure of a gas compression energy storage mechanism of an electric nailing gun mainly comprises an inner cylinder body 1 and an outer cylinder body 2 which are coaxially arranged, wherein a plurality of connecting ribs 3 which are integrally formed with the outer cylinder body 2 are arranged on the outer wall of the inner cylinder body 1 along the circumferential direction at intervals. In the illustration, the connecting ribs 3 are arranged in four and uniformly distributed along the circumference, and are radially distributed relative to the center of the inner cylinder body 1. In practice, two, three or more connecting ribs 3 may be provided, and may or may not be uniformly distributed.
The length of the connecting rib 3 is not less than one twentieth of the length of the whole inner cylinder body 1. In the present illustration, the length of the connecting rib 3 is set to be half of the length of the inner cylinder 1, and may be set as needed in practice, but the longest thereof does not exceed the length of the inner cylinder 1.
A sealing rubber plug 4 is arranged between the front ends of the inner cylinder body 1 and the outer cylinder body 2 to realize sealing. Here, in order to obtain better sealing effect, the cross section of the sealing rubber plug 4 is in a U-shaped structure, and the U-shaped opening 41 faces to the inner side, so as to utilize the pressure of compressed gas in the air storage chamber 5 between the inner cylinder body and the outer cylinder body to assist sealing, so as to ensure that two sides of the sealing rubber plug are tightly attached to the cylinder walls of the outer cylinder body 2 and the inner cylinder body 1, and further improve the sealing performance of the sealing rubber plug 4.
Here, in consideration of installation requirements, an outer installation step 21 for positioning the sealing rubber stopper 4 is provided on the inner wall of the outer cylinder 2, and an inner installation step 11 for positioning the sealing rubber stopper 4 is provided on the outer wall of the inner cylinder 1.
The integrated cylinder structure further comprises a rear end cover 6, an outer circular part 61 and an inner clamping groove 62 are arranged on the rear end cover 6, the outer thread of the outer wall of the outer circular part 61 is connected with the inner thread of the tail end of the outer cylinder 2, the inner clamping groove 62 is clamped and positioned with the tail part of the inner cylinder 1, and meanwhile, a gas flow channel 63 is reserved between the tail part of the inner cylinder 1 and the rear end cover 6.
In order to ensure tightness, a sealing rubber ring 611 is provided between the outer circumferential portion 61 and the tail end of the outer cylinder 2.
A piston 7 with tightness is arranged in the inner cylinder body 1, a front end cover 8 is arranged at the front end of the inner cylinder body 1, a gun needle 9 is connected to the front side of the piston 7, and the gun needle 9 penetrates through a through hole in the front end cover 8 and extends out of the cylinder body.
The cylinder body structure that above structure set up is provided with a plurality of and outer cylinder body 2 integrated into one piece's connecting rib 3 on its inner cylinder body 1's the outer wall along circumference interval to make inner and outer cylinder body constitute an organic whole structure, need not to assemble between the two, can eliminate completely that inner and outer cylinder body is because of error and the clearance that the assembly brought, can guarantee the axiality of inner cylinder body 1 relative to outer cylinder body 2 and to the neutrality completely, and then guarantee the centering of piston 7 operation, promote the nailing stability of whole electric nail rifle.
In addition, the front ends of the outer cylinder body 2 and the inner cylinder body 1 with the structure are sealed through the sealing rubber plug 4, compared with the existing split structure, the connecting flange and the connecting part structure are completely removed, thereby naturally forming a gas storage space and a gas storage chamber, enabling the cylinder wall of the whole outer cylinder body 2 to keep a basically equal thickness structure, and also keeping the cylinder wall of the whole inner cylinder body 1 to keep basically equal thickness, further enabling the production of the outer cylinder body 2 and the inner cylinder body 1 to be free from adopting large-thickness metal pipe raw materials to carry out turning to remove materials so as to form the processing of the gas storage space, not only ensuring the volume of the gas storage chamber 5, but also simplifying the process, and simultaneously reducing the consumption of consumable materials.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation or modification made to the above embodiments according to the technical principles of the present utility model still falls within the scope of the technical solutions of the present utility model.
Claims (10)
1. The utility model provides an electronic nail rifle gas compression energy storage mechanism's integral type cylinder body structure, mainly includes the interior cylinder body and the outer cylinder body of coaxial setting, its characterized in that: a plurality of connecting ribs which are integrally formed with the outer cylinder body are arranged on the outer wall of the inner cylinder body at intervals along the circumferential direction; a sealing rubber plug is arranged between the front ends of the inner cylinder body and the outer cylinder body.
2. The integrated cylinder structure of the gas compression energy storage mechanism of the electric nail gun as defined in claim 1, wherein: the length of the connecting rib is not less than one twentieth of the length of the whole inner cylinder body.
3. The integrated cylinder structure of the gas compression energy storage mechanism of the electric nail gun as defined in claim 1, wherein: the connecting ribs are distributed radially relative to the center of the inner cylinder body.
4. The integrated cylinder structure of the gas compression energy storage mechanism of the electric nail gun as defined in claim 1, wherein: each connecting rib is uniformly distributed along the circumferential direction of the outer wall of the inner cylinder body.
5. The integrated cylinder structure of the gas compression energy storage mechanism of the electric nail gun as defined in claim 1, wherein: the section of the sealing rubber plug is of a U-shaped structure.
6. An integrated cylinder structure of a gas compression and energy storage mechanism of an electric nail gun as defined in any one of claims 1-5, wherein: an outer mounting step for positioning the sealing rubber plug is arranged on the inner wall of the outer cylinder body.
7. An integrated cylinder structure of a gas compression and energy storage mechanism of an electric nail gun as defined in any one of claims 1-5, wherein: an inner mounting step for positioning the sealing rubber plug is arranged on the outer wall of the inner cylinder body.
8. An integrated cylinder structure of a gas compression and energy storage mechanism of an electric nail gun as defined in any one of claims 1-5, wherein: the novel gas cylinder is characterized by further comprising a rear end cover, wherein an outer circular part and an inner clamping groove are formed in the rear end cover, an outer thread on the outer wall of the outer circular part is connected with an inner thread on the tail end of the outer cylinder body, the inner clamping groove is connected with the tail part of the inner cylinder body in a clamping and positioning manner, and a gas flow channel is reserved between the tail part of the inner cylinder body and the rear end cover.
9. The integrated cylinder structure of the gas compression energy storage mechanism of the electric nail gun as defined in claim 8, wherein: and a sealing rubber ring is arranged between the outer circular part and the tail end of the outer cylinder body.
10. An integrated cylinder structure of a gas compression energy storage mechanism of an electric nail gun as defined in claims 1-5, wherein: the piston with tightness is arranged in the inner cylinder body, the front end of the inner cylinder body is provided with a front end cover, the front side of the piston is connected with a gun needle, and the gun needle penetrates through a through hole in the front end cover and extends out of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321534447.8U CN219902040U (en) | 2023-06-15 | 2023-06-15 | Integrated cylinder structure of gas compression energy storage mechanism of electric nailing gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321534447.8U CN219902040U (en) | 2023-06-15 | 2023-06-15 | Integrated cylinder structure of gas compression energy storage mechanism of electric nailing gun |
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| Publication Number | Publication Date |
|---|---|
| CN219902040U true CN219902040U (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321534447.8U Active CN219902040U (en) | 2023-06-15 | 2023-06-15 | Integrated cylinder structure of gas compression energy storage mechanism of electric nailing gun |
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| Country | Link |
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| CN (1) | CN219902040U (en) |
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- 2023-06-15 CN CN202321534447.8U patent/CN219902040U/en active Active
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