CN212856339U

CN212856339U - Novel barrel subassembly

Info

Publication number: CN212856339U
Application number: CN202021520019.6U
Authority: CN
Inventors: 杜长亮; 李孟杰
Original assignee: Tianjin Hengchang Machinery Equipment Co ltd
Current assignee: Tianjin Hengchang Machinery Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-02
Anticipated expiration: 2030-07-28

Abstract

The embodiment of the utility model discloses novel barrel subassembly belongs to spray gun technical field, including the inner tube, the one end of inner tube is connected with the outer tube, one side that the inner tube was kept away from to the one end of outer tube is connected with the end pipe, one side that the outer tube was kept away from to the tip of end pipe is provided with the nozzle, the outside position department that the tip of outer tube is close to the inner tube is provided with the seal cover, the inside that the one end of inner tube is located the outer tube is provided with the inner tube port, the perpendicular cross-section of inner tube port is the toper structure, the outside that the inside of inner tube is close to the inner tube port is provided with solid fixed ring, gu fixed ring's outer wall connection has the toper blower inlet shell, the inner wall connection. The utility model has the advantages of being scientific and reasonable in structural design, convenience safe in utilization, equipment between each part is comparatively simple and convenient with the dismantlement mode, and the junction sealing performance between each body is good, is fit for using widely.

Description

Novel barrel subassembly

Technical Field

The embodiment of the utility model provides a relate to spray gun technical field, concretely relates to novel barrel subassembly.

Background

The spray gun is a device which utilizes liquid or compressed air to quickly release as power, the spray gun is divided into a normal pressure type spray gun and a pressurization type spray gun, the spray gun also comprises a pressure type spray gun, a Kale type spray gun and an automatic recovery type spray gun, a gun barrel assembly of the spray gun comprises a gun handle, a gun head positioned at the head of the gun handle and a gun barrel extending out of the end part of the gun head, the tail part of the gun handle is connected with an oiling machine through a hose, and a control mechanism is arranged in the gun handle to control the connection and disconnection between the hose and the gun barrel.

Gun barrel structural design among the present rifle tube subassembly is not good, and the equipment between each concatenation body is not good with the dismantlement mode, and simultaneously, the junction sealing performance between each body is relatively poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a novel barrel subassembly, the equipment between each part is comparatively simple and convenient with the dismantlement mode, and the junction sealing performance between each body is good to solve the technical problem who exists among the prior art.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a novel gun barrel assembly comprises an inner tube, wherein one end of the inner tube is connected with an outer tube, one side of one end of the outer tube, which is far away from the inner tube, is connected with an end tube, a nozzle is arranged on one side of the end part of the end pipe far away from the outer pipe, a sealing sleeve is arranged at the position of the end part of the outer pipe close to the outer part of the inner pipe, one end of the inner pipe is positioned in the outer pipe and is provided with an inner pipe port, the vertical section of the inner pipe port is in a conical structure, a fixing ring is arranged inside the inner pipe and close to the outer part of the port of the inner pipe, the outer wall of the fixing ring is connected with a conical diversion shell, the inner wall of the conical diversion shell is connected with a rubber pad, and the inner surface of the rubber pad is uniformly provided with convex blocks, the outer surface of the inner pipe is provided with external threads at the position close to the end part of the outer pipe, the external connection of external screw thread has fastening nut, the junction of outer tube and end pipe is provided with coupling mechanism.

Further, coupling mechanism includes spacing ring, ring groove, spacing fixture block, activity groove and spring, the spacing ring sets up the tip edge at the outer tube, the outside position department that the tip of end pipe corresponds the spacing ring is provided with ring groove, the outer wall connection of spacing ring has spacing fixture block, the one end of spacing fixture block extends to the outside of end pipe, the outside position department that the inside of spacing ring corresponds spacing fixture block is provided with the activity groove, be connected with the spring between the inner wall of activity groove and the tip of spacing fixture block.

Furthermore, the depth of the annular clamping groove is larger than the length of the limiting ring, and the vertical section structure of the annular clamping groove is matched with the structure of the limiting ring.

Furthermore, the two ends of the spring, the end part of the limiting clamping block and the inner wall of the movable groove are all welded.

Furthermore, the cross section of the limiting clamping block is of a circular structure, a through hole is formed in the outer wall of the outer tube corresponding to the limiting clamping block, and the through hole is the same as the inner diameter of the cross section of the movable groove.

Further, the end position of the inside of the ring-shaped clamping groove corresponding to the limiting ring is provided with a sealing ring, and the sealing ring is a component made of rubber.

Furthermore, the sealing sleeve is a rubber component, and the sealing sleeve and the outer tube are bonded and fixed through hot melt adhesive.

Furthermore, the outer pipe is connected with the inner pipe through threads, and internal threads are arranged on the outer position, corresponding to the external threads, of the inner wall of the end part of the outer pipe.

The embodiment of the utility model provides a have following advantage:

1. the inner pipe port with the vertical section in the conical structure is arranged at one end of the inner pipe, the fixing ring is arranged in the inner part of the inner pipe close to the outer part of the inner pipe port, the outer wall of the fixing ring is connected with the conical diversion shell, the inner wall of the conical diversion shell is connected with the rubber pad, the inner surface of the rubber pad is uniformly provided with the protruding blocks, the inner pipe port with the conical structure extends into the fixing ring in the outer pipe in the assembling process of the outer pipe and the inner pipe, the arranged conical diversion shell is used for being matched with the inner pipe port with the conical structure to convey gas or liquid, the arranged rubber pad and the protruding blocks can keep the sealing performance of the connection part of the inner pipe port, meanwhile, the sealing sleeve is arranged at the position of the end part of the outer pipe close to the outer part of the inner pipe, the outer surface of the inner pipe is provided with external threads, and the sealing sleeve and the outer pipe are fixedly bonded through hot melt adhesive, so that the sealing sleeve is conveniently compressed to seal the joint of the outer pipe and the inner pipe when the fastening nut is screwed down.

2. Be provided with coupling mechanism through the junction at outer tube and end pipe, coupling mechanism includes the spacing ring, ring groove, spacing fixture block, activity groove and spring, when end pipe is connected with the outer tube, at first press down the spacing fixture block on the spacing ring, and then compression spring makes spacing fixture block take in the inside of activity groove, aim at ring groove and card with the spacing ring this moment and go into, through-hole realization end pipe on can stretching out the end pipe until spacing fixture block is connected fixedly with the outer tube, and simultaneously, also conveniently dismantle, and ring groove's inside corresponds the tip position department of spacing ring and installs the sealing washer, the sealing washer is the component of a rubber material, be convenient for improve the sealing performance of end pipe and outer tube junction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the mounting structure of the middle sealing sleeve of the present invention;

FIG. 3 is a schematic view of the inner side of the fixing ring of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 5 is a sectional view of the joint of the middle limiting fixture block of the present invention;

in the figure: 1. an inner tube; 2. an outer tube; 3. an end tube; 4. a nozzle; 5. sealing sleeves; 6. an inner tube port; 7. fastening a nut; 8. an external thread; 9. a fixing ring; 10. a conical guide shell; 11. a rubber pad; 12. a raised block; 13. a seal ring; 14. a limiting clamping block; 15. a movable groove; 16. a spring; 21. a limiting ring; 31. and an annular clamping groove.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention, and the terms such as "upper", "lower", "left", "right", "middle", etc. cited in the present specification are also only for the sake of clarity, and are not used to limit the implementable scope of the present invention, and the changes or adjustments of the relative relationship thereof should be regarded as the implementable scope of the present invention without substantial technical changes.

Referring to the attached drawings 1-5 in the specification, a novel gun barrel assembly comprises an inner tube 1, wherein one end of the inner tube 1 is connected with an outer tube 2, one side of one end of the outer tube 2, which is far away from the inner tube 1, is connected with an end tube 3, one side of the end part of the end tube 3, which is far away from the outer tube 2, is provided with a nozzle 4, the end part of the outer tube 2, which is near to the outer position of the inner tube 1, is provided with a sealing sleeve 5, one end of the inner tube 1, which is located inside the outer tube 2, is provided with an inner tube port 6, the vertical section of the inner tube port 6 is of a conical structure, the inside of the inner tube 1, which is near to the outer end of the inner tube port 6, is provided with a fixing ring 9, the outer wall of the fixing ring 9 is connected with a conical diversion shell 10, the inner wall, the external connection of external screw thread 8 has fastening nut 7, the junction of outer tube 2 and end pipe 3 is provided with coupling mechanism.

Referring to the attached drawings 4-5 of the specification, the connecting mechanism comprises a limiting ring 21, an annular clamping groove 31, a limiting clamping block 14, a movable groove 15 and a spring 16, the limiting ring 21 is arranged at the edge of the end part of the outer pipe 2, the annular clamping groove 31 is arranged at the position, corresponding to the limiting ring 21, of the end part of the end pipe 3, the limiting clamping block 14 is connected to the outer wall of the limiting ring 21, one end of the limiting clamping block 14 extends to the outer side of the end pipe 3, the movable groove 15 is arranged at the position, corresponding to the limiting clamping block 14, of the inner part of the limiting ring 21, the spring 16 is connected between the inner wall of the movable groove 15 and the end part of the limiting clamping block 14, and therefore when the connecting mechanism is used, connection and disassembly between the end pipe 3 and the outer pipe.

Referring to the description and the accompanying drawings of fig. 4-5, the depth of the ring slot 31 is greater than the length of the limiting ring 21, and the vertical cross-sectional structure of the ring slot 31 matches with the structure of the limiting ring 21, so that the limiting ring 21 can be clamped into the ring slot 31.

Referring to the attached drawing 5 in the specification, the two ends of the spring 16 are welded to the end of the limiting clamping block 14 and the inner wall of the movable groove 15, so that the spring 16 is conveniently connected, and the limiting clamping block 14 can stably extend into the movable groove 15.

Referring to the attached drawing 5 in the specification, the cross section of the limiting clamping block 14 is of a circular structure, a through hole is formed in the outer wall of the outer tube 2 corresponding to the limiting clamping block 14, the through hole is the same as the inner diameter of the cross section of the movable groove 15, and the limiting clamping block 14 can stably stretch out and draw back inside the movable groove 15 conveniently.

Referring to the attached drawings 4-5 in the specification, a sealing ring 13 is installed at a position, corresponding to the end portion of the limiting ring 21, inside the ring-shaped clamping groove 31, and the sealing ring 13 is a rubber component, so that the sealing performance of the joint of the end pipe 3 and the outer pipe 2 is improved.

Referring to the attached drawings 1-2 of the specification, the sealing sleeve 5 is a rubber component, and the sealing sleeve 5 and the outer tube 2 are bonded and fixed through hot melt adhesive, so that the sealing sleeve 5 is convenient to connect, and further, the joint of the outer tube 2 and the inner tube 1 is convenient to seal when the fastening nut 7 is screwed down.

Referring to the attached drawing 1 in the specification, the outer pipe 2 is connected with the inner pipe 1 through threads, and internal threads are arranged on the inner wall of the end part of the outer pipe 2 corresponding to the external threads 8, so that the outer pipe 2 and the inner pipe 1 can be conveniently connected and detached.

The utility model discloses use as follows:

when the gun barrel assembly is used, gas or liquid is conveyed and sprayed out, the gas or liquid filled in the inner pipe 1 flows into the inner part of the end pipe 3 through the outer pipe 2 and is finally sprayed out from the nozzle 4, the inner pipe port 6 is arranged in the outer pipe 2 at one end of the inner pipe 1, the vertical section of the inner pipe port 6 is of a conical structure, the fixing ring 9 is arranged in the inner part of the inner pipe 1 close to the outer part of the inner pipe port 6, the outer wall of the fixing ring 9 is connected with the conical diversion shell 10, the inner wall of the conical diversion shell 10 is connected with the rubber pad 11, the inner surface of the rubber pad 11 is uniformly provided with the raised blocks 12, in the assembling process of the outer pipe 2 and the inner pipe 1, the inner pipe port 6 of the conical structure extends into the fixing ring 9 in the outer pipe 2, the arranged conical diversion shell 10 is used for conveying the gas or liquid by matching with the inner pipe port 6 of the conical structure, and the arranged rubber pad 11, meanwhile, a sealing sleeve 5 is arranged at the position, close to the outer part of the inner pipe 1, of the end part of the outer pipe 2, an external thread 8 is arranged at the position, close to the end part of the outer pipe 2, of the outer surface of the inner pipe 1, a fastening nut 7 is connected to the outside of the external thread 8, the sealing sleeve 5 is a rubber component, the sealing sleeve 5 and the outer pipe 2 are fixedly bonded through a hot melt adhesive, and the sealing sleeve 5 is pressed to seal the connection part of the outer pipe 2 and the inner pipe 1 when the fastening nut 7 is screwed down;

be provided with coupling mechanism through the junction at outer tube 2 and end pipe 3, coupling mechanism includes spacing ring 21, ring groove 31, spacing fixture block 14, activity groove 15 and spring 16, when end pipe 3 is connected with outer tube 2, at first press down spacing fixture block 14 on the spacing ring 21, and then compression spring 16 makes spacing fixture block 14 take in the inside of activity groove 15, aim at ring groove 31 and block in spacing ring 21 this moment, through-hole realization end pipe 3 and outer tube 2 that can stretch out on the end pipe 3 until spacing fixture block 14 is fixed, and simultaneously, also conveniently dismantle, and the inside of ring groove 31 corresponds the tip position department of spacing ring 21 and installs sealing washer 13, sealing washer 13 is the component of a rubber material, be convenient for improve the sealing performance of end pipe 3 and outer tube 2 junction.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A novel barrel subassembly which characterized in that: comprises an inner tube (1), wherein one end of the inner tube (1) is connected with an outer tube (2), one side of one end of the outer tube (2) far away from the inner tube (1) is connected with an end tube (3), one side of the end part of the end tube (3) far away from the outer tube (2) is provided with a nozzle (4), the end part of the outer tube (2) near the outer part of the inner tube (1) is provided with a sealing sleeve (5), one end of the inner tube (1) is positioned in the outer tube (2) and is provided with an inner tube port (6), the vertical section of the inner tube port (6) is of a conical structure, the inner part of the inner tube (1) near the outer part of the inner tube port (6) is provided with a fixing ring (9), the outer wall of the fixing ring (9) is connected with a conical diversion shell (10), the inner wall of the conical diversion shell (10) is connected with a, the outer surface of the inner pipe (1) is provided with an external thread (8) at the end part position close to the outer pipe (2), the external connection of the external thread (8) is provided with a fastening nut (7), and a connecting mechanism is arranged at the joint of the outer pipe (2) and the end pipe (3).

2. The novel barrel assembly as claimed in claim 1, wherein: coupling mechanism includes spacing ring (21), ring groove (31), spacing fixture block (14), activity groove (15) and spring (16), spacing ring (21) set up the tip edge at outer tube (2), the outside position department that the tip of end pipe (3) corresponds spacing ring (21) is provided with ring groove (31), the outer wall connection of spacing ring (21) has spacing fixture block (14), the one end of spacing fixture block (14) extends to the outside of end pipe (3), the outside position department that the inside of spacing ring (21) corresponds spacing fixture block (14) is provided with activity groove (15), be connected with spring (16) between the inner wall of activity groove (15) and the tip of spacing fixture block (14).

3. The novel barrel assembly as claimed in claim 2, wherein: the depth of the annular clamping groove (31) is larger than the length of the limiting ring (21), and the vertical section structure of the annular clamping groove (31) is matched with the structure of the limiting ring (21).

4. The novel barrel assembly as claimed in claim 2, wherein: the two ends of the spring (16) are welded with the end part of the limiting clamping block (14) and the inner wall of the movable groove (15).

5. The novel barrel assembly as claimed in claim 2, wherein: the cross section of the limiting clamping block (14) is of a circular structure, a through hole is formed in the outer wall of the outer tube (2) corresponding to the outer portion of the limiting clamping block (14), and the through hole is the same as the inner diameter of the cross section of the movable groove (15).

6. The novel barrel assembly as claimed in claim 2, wherein: the inside of ring-shaped clamping groove (31) is installed sealing washer (13) corresponding to the tip position department of spacing ring (21), sealing washer (13) are the component of a rubber material.

7. The novel barrel assembly as claimed in claim 1, wherein: the sealing sleeve (5) is a component made of rubber, and the sealing sleeve (5) is fixedly bonded with the outer tube (2) through hot melt adhesive.

8. The novel barrel assembly as claimed in claim 1, wherein: the outer pipe (2) is connected with the inner pipe (1) through threads, and internal threads are arranged on the inner wall of the end part of the outer pipe (2) corresponding to the external positions of the external threads (8).