CN218874355U - A press pipe frock for coaxial positioning - Google Patents
A press pipe frock for coaxial positioning Download PDFInfo
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- CN218874355U CN218874355U CN202222926523.1U CN202222926523U CN218874355U CN 218874355 U CN218874355 U CN 218874355U CN 202222926523 U CN202222926523 U CN 202222926523U CN 218874355 U CN218874355 U CN 218874355U
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- cylinder head
- guide pipe
- shaft
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Abstract
The utility model provides a press pipe frock for coaxial positioning belongs to the tooling equipment field, aims at solving the tradition and presses pipe frock required precision height, the easy condition of crushing with the pipe buckling. The scheme comprises a concentric stepped shaft and a valve guide pipe, wherein the concentric stepped shaft comprises a thick shaft end and a thin shaft end, and the valve guide pipe is nested at the thin shaft end. The utility model discloses a scheme is applicable to the pressure equipment of small batch volume multi-species pipe, simple structure, flexibility, and the practicality is strong. Through using a pressure pipe frock for coaxial positioning, effective control valve pipe and the mounting hole between bad phenomena such as off-centre, skew, out of plumb, can avoid valve pipe because of the not high condition of being buckled, conquassation of being pressed of assembly precision.
Description
Technical Field
The utility model relates to a tooling equipment, more specifically say, it relates to a pressure pipe frock for coaxial positioning.
Background
Most of the existing pipe pressing tool equipment is to pre-arrange a pipe in a pipe hole to be pressed in, and press the pipe into the pipe hole manually or by some pressure equipment, and the pipe pressing tool has higher requirement on the assembly precision of the pipe and the pipe hole and is easy to bend and crush the pipe; even with a pressed catheter, there may be some misalignment between the catheter and the catheter hole, resulting in greater stress between the catheter and the catheter hole, thereby greatly reducing the useful life of the catheter.
Chinese patent publication No. CN 205521153, announcement day 2016, 8, 31, the utility model discloses a simple and easy valve pipe pressure equipment instrument, this application discloses a pipe frock, including pressure equipment pole and with pressure equipment pole complex guide positioning cover. The press fitting device has the advantages that the press fitting operation is simple and convenient, the economic cost can be reduced, and the quality control of the product process is improved. But the required matching precision requirement is higher, the guide pipe is easy to bend and crush, products with unqualified quality are easy to appear, and the service life of the products is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes a simple and easy valve guide pressure equipment instrument not enough provides a pressure pipe frock for coaxial positioning, and it utilizes the axiality to carry out accurate location to the pipe, with the leading-in cylinder head pipe mouth of pipe, bad phenomena such as eccentric, crooked, out of plumb between effective control pipe and the mounting hole, completely different with traditional extrusion pipe mode, more have creativity, can avoid the pipe to be buckled because of the assembly precision is not high, the condition of conquassation.
In order to solve the technical problem, the utility model discloses a following scheme: the utility model provides a press pipe frock for coaxial positioning, includes concentric step shaft and valve guide, concentric step shaft includes thick axle head and thin axle end, the valve guide nestification is in thin axle head. The concentric stepped shaft consists of a section of thick shaft and a section of thin shaft, the valve guide pipe is sleeved at the thin shaft end of the concentric stepped shaft, and the valve guide pipe can be guided into the guide pipe port of the air inlet cylinder head only by inserting the thick shaft end of the concentric stepped shaft into the guide pipe port of the air cylinder head, so that the press fitting work of the guide pipe is completed.
Preferably, the valve guide pipe is in interference fit with the thin shaft end of the concentric stepped shaft. The valve guide pipe and the thin shaft end of the concentric stepped shaft are in interference fit, so that the valve guide pipe cannot easily fall off when the concentric stepped shaft is inserted into a guide pipe port of the cylinder head, and the guide pipe press-fitting can be smoothly completed.
Preferably, the guide pipe pressing tool for coaxial positioning further comprises a cylinder head, the cylinder head is provided with a cylinder head guide pipe port, and one side of the cylinder head guide pipe port facing the inside of the cylinder is provided with a cavity. When the concentric stepped shaft is inserted into the cylinder head conduit port, the concentric stepped shaft can penetrate through the cylinder head conduit port and leave the valve conduit in the cylinder head conduit port, and the cylinder head conduit port is provided with a cavity towards one side in the cylinder, so that the concentric stepped shaft can be taken out at the position.
Preferably, the thick shaft end of the concentric stepped shaft is in clearance fit with the guide pipe port of the cylinder head. Must be clearance fit between thick axle head of concentric step shaft and the cylinder head pipe mouth, can guarantee that concentric step shaft can pass in the cylinder head pipe mouth smoothly, prevent that concentric step shaft card from can't accomplishing the pipe pressure equipment at cylinder head pipe mouth.
Preferably, the thin shaft end is provided with an elastic cross groove. The end of the thin shaft is provided with a cross groove, and meanwhile, the cross groove is subjected to elastic treatment, so that the valve guide pipe is prevented from falling out of the concentric stepped shaft due to interference fit after completely entering a guide pipe port of the cylinder head, and the valve guide pipe is damaged.
Preferably, the valve guide pipe is provided with a bayonet, and the outer diameter of the bayonet is not less than the inner diameter of the cylinder guide pipe opening. After the concentric stepped shaft guides the valve guide pipe into the cylinder head guide pipe port completely, the bayonet on the valve guide pipe can clamp the valve guide pipe at the cylinder head guide pipe port, and the valve guide pipe is prevented from penetrating through the cylinder head guide pipe port along with the concentric stepped shaft.
Preferably, the length of the thick shaft end of the concentric stepped shaft is greater than that of the guide pipe port of the cylinder head. When the concentric stepped shaft completely guides the valve guide pipe into the cylinder head guide pipe port, the concentric stepped shaft needs to be taken out from the cavity, if the length of the concentric stepped shaft is less than or equal to that of the cylinder head guide pipe port, the concentric stepped shaft still can not be taken out in the cylinder head guide pipe port, and only if the length of the concentric stepped shaft is greater than that of the cylinder head guide pipe port, the concentric stepped shaft extends out from one side of the cavity, namely, the concentric stepped shaft can be taken out to continue to be used next time.
Compared with the prior art, the beneficial effects of the utility model are that: (1) The bad phenomena of eccentricity, deflection, non-perpendicularity and the like between the guide pipe and the mounting hole are effectively controlled; (2) the conduit can be prevented from being bent and crushed; and (3) rapid model change can be achieved.
Drawings
Fig. 1 is a schematic diagram of the valve guide of the present invention before press fitting.
Fig. 2 is a schematic diagram of the valve guide of the present invention after press fitting.
Fig. 3 is a schematic view of the valve guide of the present invention.
Fig. 4 is a schematic view of the concentric stepped shaft of the present invention.
In the figure: 1. the cylinder head comprises a concentric stepped shaft, 2 parts of a valve guide pipe, 3 parts of a thick shaft end, 4 parts of a thin shaft end, 5 parts of a cylinder head, 6 parts of a cylinder head guide pipe port, 7 parts of a cavity, 8 parts of an elastic cross groove and 9 parts of a bayonet.
Detailed Description
The technical solution of the present invention is further described in detail by the following specific embodiments in conjunction with the accompanying drawings.
Example 1: the guide pressing tool for coaxial positioning shown in fig. 1 to 4 comprises a concentric stepped shaft 1 and a valve guide 2, wherein the concentric stepped shaft 1 comprises a thick shaft end 3 and a thin shaft end 4, and the valve guide 2 is nested at the thin shaft end 4; the valve guide pipe 2 is in interference fit with the thin shaft end 4 of the concentric stepped shaft 1; the thick shaft end 3 of the concentric stepped shaft 1 is in clearance fit with the cylinder head conduit port 6. The concentric stepped shaft 1 consists of a section of thick shaft and a section of thin shaft, the valve guide pipe 2 is sleeved at the thin shaft end 4 of the concentric stepped shaft 1, and the valve guide pipe 2 can be guided into the guide pipe port 6 of the air inlet cylinder head only by inserting the thick shaft end 3 of the concentric stepped shaft 1 into the guide pipe port 6 of the air cylinder head, so that the press fitting work of the guide pipe is completed. The valve guide pipe 2 and the thin shaft end 4 of the concentric stepped shaft 1 are in interference fit, so that the valve guide pipe 2 cannot easily fall off when the concentric stepped shaft 1 is inserted into the cylinder head guide pipe port 6, and the guide pipe press fitting can be smoothly completed. Must be clearance fit between 1 thick axle head 3 of concentric step shaft and the cylinder head pipe mouth 6, can guarantee that concentric step shaft 1 can pass smoothly in cylinder head pipe mouth 6, prevents that 1 card of concentric step shaft from can't accomplishing the pipe pressure equipment at cylinder head pipe mouth 6.
The guide pipe pressing tool for coaxial positioning further comprises a cylinder head 5, the cylinder head 5 is provided with a cylinder head guide pipe port 6, and one side, facing the cylinder, of the cylinder head guide pipe port 6 is a cavity 7. When the concentric stepped shaft 1 is inserted into the cylinder head conduit port 6, the concentric stepped shaft 1 penetrates through the cylinder head conduit port 6, the valve conduit 2 is left in the cylinder head conduit port 6, the cylinder head conduit port 6 is provided with a cavity 7 towards the cylinder inner side, so that the concentric stepped shaft 1 can be taken out at the position, and if the cavity 7 is not provided, the concentric stepped shaft 1 is difficult to take out.
Meanwhile, the thin shaft end 4 of the concentric stepped shaft 1 is provided with an elastic cross groove 8; the thin shaft end 4 is provided with a cross groove, and meanwhile, the cross groove needs to be subjected to elastic treatment, so that the valve guide 2 is prevented from falling out of the concentric stepped shaft 1 due to interference fit after the valve guide 2 completely enters the cylinder head guide port 6, and the valve guide 2 is prevented from being damaged. The valve guide pipe 2 is provided with a bayonet 9, and the outer diameter of the bayonet 9 is not less than the inner diameter of the cylinder guide pipe opening 6; after the concentric stepped shaft 1 completely guides the valve guide pipe 2 into the cylinder head guide pipe port 6, the bayonet 9 on the valve guide pipe 2 can clamp the valve guide pipe 2 at the cylinder head guide pipe port 6, and the valve guide pipe 2 is prevented from penetrating through the cylinder head guide pipe port 6 along with the concentric stepped shaft 1. The length of the thick shaft end 3 of the concentric stepped shaft 1 is greater than that of the cylinder head conduit port 6; when the concentric stepped shaft 1 completely guides the valve guide pipe 2 into the cylinder head guide pipe port 6, the concentric stepped shaft 1 needs to be taken out from the cavity 7, if the length of the concentric stepped shaft 1 is smaller than or equal to that of the cylinder head guide pipe port 6, the concentric stepped shaft 1 still can not be taken out from the cylinder head guide pipe port 6, and only if the length of the concentric stepped shaft 1 is larger than that of the cylinder head guide pipe port 6, the concentric stepped shaft 1 extends out from one side of the cavity 7, namely the concentric stepped shaft 1 can be taken out to be continuously used next time.
The utility model discloses a scheme is applicable to the pressure equipment of small batch volume multi-species pipe, simple structure, flexibility, and the practicality is strong. Through using a pressure pipe frock for coaxial positioning, effective control valve pipe 2 and the mounting hole between bad phenomena such as off-centre, crooked, out of plumb, can avoid valve pipe 2 because of the not high condition of being buckled, conquassation of assembling precision.
Claims (7)
1. The utility model provides a press pipe frock for coaxial positioning which characterized in that, includes concentric ladder shaft and valve guide, concentric ladder shaft includes thick axle head and thin axle end, the valve guide nestification is in thin axle head.
2. The guide tube pressing tool for coaxial positioning according to claim 1, wherein the valve guide tube is in interference fit with the thin shaft end of the concentric stepped shaft.
3. The tool of claim 1, further comprising a cylinder head having a cylinder head port, wherein the cylinder head port has a cavity on a side facing the inside of the cylinder.
4. A guide tube pressing tool for coaxial positioning according to claim 1 or 3, wherein the thick shaft end of the concentric stepped shaft is in clearance fit with the guide tube port of the cylinder head.
5. A catheter pressing tool for coaxial positioning according to claim 1 or 2, wherein the thin shaft end is provided with an elastic cross groove.
6. The tool for pressing the guide pipe for coaxial positioning according to claim 1 or 2, wherein a bayonet is arranged on the valve guide pipe, and the outer diameter of the bayonet is not less than the inner diameter of the guide pipe opening of the cylinder.
7. A conduit-pressing tool for coaxial positioning according to any one of claims 1 or 3, wherein the length of the thick shaft end of the concentric stepped shaft is greater than the length of the conduit port of the cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222926523.1U CN218874355U (en) | 2022-11-03 | 2022-11-03 | A press pipe frock for coaxial positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222926523.1U CN218874355U (en) | 2022-11-03 | 2022-11-03 | A press pipe frock for coaxial positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218874355U true CN218874355U (en) | 2023-04-18 |
Family
ID=85942758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222926523.1U Active CN218874355U (en) | 2022-11-03 | 2022-11-03 | A press pipe frock for coaxial positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218874355U (en) |
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2022
- 2022-11-03 CN CN202222926523.1U patent/CN218874355U/en active Active
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