CN216774188U - Novel MPP electric power protecting sleeve - Google Patents
Novel MPP electric power protecting sleeve Download PDFInfo
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- CN216774188U CN216774188U CN202122457213.5U CN202122457213U CN216774188U CN 216774188 U CN216774188 U CN 216774188U CN 202122457213 U CN202122457213 U CN 202122457213U CN 216774188 U CN216774188 U CN 216774188U
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Abstract
The utility model relates to the technical field of power protective sleeves, in particular to a novel MPP power protective sleeve, which comprises a first pipe fitting, a second pipe fitting, a clamping assembly and a sealing assembly, wherein the first pipe fitting is connected with the second pipe fitting through a first connecting pipe; the front end of first pipe fitting is the plug-in with the rear end of second pipe fitting and is connected, and first pipe fitting is the coaxial state setting with the second pipe fitting, the embedded installation of joint subassembly is in the outer wall of first pipe fitting front end, seal assembly detachable sets up in the second pipe fitting rear end, this application has realized through elasticity fixture block how to carry out the spacing fixed work of axial spacing fixed and axial rotation fixed between first pipe fitting and the second pipe fitting after the joint cooperation, solved the first pipe fitting or the pulling of second pipe fitting after the joint, the technical problem that first pipe fitting and second pipe fitting concatenation department can break away from, the utility model is simple in operation, the concatenation is firm, and can carry out auto-lock and sealed to pipe fitting concatenation department after the concatenation.
Description
Technical Field
The utility model relates to the technical field of power protective sleeves, in particular to a novel MPP power protective sleeve.
Background
The MPP power pipe is divided into a common type and a reinforced type, the reinforced type is also divided into an excavation pipe and a non-excavation pipe, the MPP non-excavation pipe is also called as an MPP jacking pipe, an MPP pulling pipe and an MPP traction pipe, the modified polypropylene (MPP) power pipe has the characteristics of high temperature resistance and external pressure resistance, and is suitable for high-voltage transmission line cable calandria pipes above 10 KV;
however, MPP power protective sleeves in the current market are generally butt-jointed by a welding machine in a hot melting welding mode, the welding point is about 200 ℃ and cannot exceed 220 ℃, and when the temperature reaches, two ends of the MPP power protective sleeves can be butt-jointed, so that the connection mode is troublesome, high in requirement, time-consuming and labor-consuming, extremely low in installation efficiency, heavy due to the fact that a mobile power supply device is required to be arranged outside the MPP power protective sleeves; therefore, a novel MPP power sheath pipe which can realize quick splicing, is simple to splice and is stable and firm after splicing is needed.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a novel MPP power sheath to solve the problems in the prior art.
In order to solve the problems of the prior art, the utility model adopts the technical scheme that:
a novel MPP power sheath comprises a first pipe fitting, a second pipe fitting, a clamping assembly and a sealing assembly; the front end of the first pipe fitting is connected with the rear end of the second pipe fitting in a plug-in mode, the first pipe fitting and the second pipe fitting are arranged in a coaxial mode, the clamping assembly is installed in the outer wall of the front end of the first pipe fitting in an embedded mode, and the sealing assembly is detachably arranged in the rear end of the second pipe fitting.
Preferably, the first pipe fitting comprises a butt joint pipe fitting and a clamping block; the butt joint pipe fitting is fixedly arranged at the front end of the first pipe fitting, the butt joint pipe fitting is coaxially arranged on the first pipe fitting, the inner diameter of the butt joint pipe fitting is equal to the inner diameter of the first pipe fitting, and the outer diameter of the butt joint pipe fitting is larger than the inner diameter of the first pipe fitting and smaller than the outer diameter of the first pipe fitting; joint piece fixed mounting in on the outer wall of butt joint pipe fitting, the joint piece along the axis direction equidistance of butt joint pipe fitting sets up in a plurality ofly, and the recess that is used for embedded installation joint subassembly still is offered to the top surface of every joint piece.
Preferably, the second pipe fitting comprises a slot, an L-shaped slot and a slot; the slot axial is seted up in the afterbody of second pipe fitting, the slot with butt joint pipe fitting phase-match, L shape draw-in groove set up in the inner wall of slot, the top of L shape draw-in groove with the terminal surface of second pipe fitting rear end flushes the setting, the vertical direction of L shape draw-in groove and the axis direction parallel arrangement of second pipe fitting, the draw-in groove is seted up in the middle part of L shape draw-in groove horizontal direction.
Preferably, the clamping assembly comprises an elastic clamping block; the elastic clamping block can be arranged in the groove in a radially telescopic mode.
Preferably, the elastic clamping block further comprises arc chamfers, and the arc chamfers are further arranged in the direction of the short side of the top of the elastic clamping block respectively.
Preferably, the sealing assembly comprises a first sealing ring and a second sealing ring; the first sealing ring is sleeved outside the butt-joint pipe fitting, the side wall of the first sealing ring is attached to the front end face of the first pipe fitting, the second sealing ring is embedded in the slot, and the side wall of the slot is attached to the inner surface of the slot.
Compared with the prior art, the beneficial effect of this application is:
1. this application has realized how to carry out spacing fixed work of axial spacing fixed and axial rotation fixed between first pipe fitting and the second pipe fitting after the joint cooperation through the elasticity fixture block, has solved the first pipe fitting or the second pipe fitting pulling after the joint, and the technical problem that first pipe fitting and second pipe fitting concatenation department can break away from.
2. According to the splicing fixture, the arc-shaped chamfer angle is used for assisting the elastic fixture block to quickly enter the rear end of the second pipe fitting and assisting the elastic fixture block to automatically contract during splicing, and the problem that the splicing is difficult when the elastic fixture block needs to be manually pressed is solved; the construction period is long.
3. This application has realized the work of guaranteeing the good leakproofness of first pipe fitting and second pipe fitting concatenation department through the cooperation of first sealing washer and second sealing washer.
Drawings
FIG. 1 is a first perspective view of an embodiment;
FIG. 2 is a second perspective view of the embodiment;
FIG. 3 is a perspective view of a second tube of the embodiment;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a perspective view of a first tube of the embodiments;
fig. 6 is a partially enlarged schematic view of fig. 5 at B.
The reference numbers in the figures are:
1-a first tubular member; 1 a-butt-fitting a pipe; 1 b-a clamping block;
2-a second tubular member; 2 a-slot; a 2 bL-shaped slot; 2 c-a card slot;
3-a clamping assembly; 3 a-an elastic clamping block; 3 b-arc chamfering;
4-a sealing assembly; 4 a-a first sealing ring; 4 b-second sealing ring.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 6:
a novel MPP electric power protecting sleeve comprises a first pipe fitting 1, a second pipe fitting 2, a clamping assembly 3 and a sealing assembly 4; the front end of first pipe fitting 1 is plug-in connection with the rear end of second pipe fitting 2, and first pipe fitting 1 is coaxial state setting with second pipe fitting 2, and embedded the installing in the outer wall of first pipe fitting 1 front end of joint subassembly 3, and seal assembly 4 detachable sets up in second pipe fitting 2 rear end.
Based on the above-mentioned embodiment, when the first pipe member 1 and the second pipe member 2 need to be spliced in an operating state, the first pipe member 1 and the second pipe member 2 are first arranged in a coaxial state, the sealing component 4 is embedded in the rear end of the second pipe fitting 2, then the first pipe fitting 1 is pushed towards the second pipe fitting 2 until the front end of the first pipe fitting 1 is inserted into the rear end of the second pipe fitting 2 and the front end face of the first pipe fitting 1 is completely abutted against the inner wall of the rear end of the second pipe fitting 2, and then the clamping component 3 automatically sinks into the outer wall of the first pipe fitting 1 in the pushing process, after the butt joint is finished, the first pipe fitting 1 is slightly rotated, so that the clamping assembly 3 is automatically ejected, realize the spacing work of block to first pipe fitting 1 and 2 butt joints of second pipe fitting through joint subassembly 3 to accomplish the concatenation work between first pipe fitting 1 and the second pipe fitting 2.
As shown in fig. 5 and 6:
the first pipe fitting 1 comprises a butt joint pipe fitting 1a and a clamping block 1 b; the butt joint pipe fitting 1a is fixedly arranged at the front end of the first pipe fitting 1, the butt joint pipe fitting 1a is coaxially arranged on the first pipe fitting 1, the inner diameter of the butt joint pipe fitting 1a is equal to the inner diameter of the first pipe fitting 1, and the outer diameter of the butt joint pipe fitting 1a is larger than the inner diameter of the first pipe fitting 1 and smaller than the outer diameter of the first pipe fitting 1; joint piece 1b fixed mounting in on the outer wall of butt joint pipe fitting 1a, joint piece 1b along the axis direction equidistance of butt joint pipe fitting 1a sets up in a plurality of, and the recess that is used for embedded installation joint subassembly 3 still is offered to every joint piece 1 b's top surface.
Based on above-mentioned embodiment, butt joint pipe fitting 1a is used for pegging graft the cooperation with the rear end of second pipe fitting 2 to realize the concatenation work between 1 front end of first pipe fitting and the 2 rear ends of second pipe fitting, joint piece 1b is used for carrying out joint cooperation work with the 2 rear ends of second pipe fitting, thereby avoids taking place to break away from under the axial effort between first pipe fitting 1 and the second pipe fitting 2 after the butt joint.
As shown in fig. 3 and 4:
the second pipe fitting 2 comprises a slot 2a, an L-shaped clamping groove 2b and a clamping groove 2 c; the afterbody at second pipe fitting 2 is seted up to slot 2a axial, slot 2a with butt joint pipe fitting 1a phase-match, L shape draw-in groove 2b set up in slot 2 a's inner wall, L shape draw-in groove 2 b's top with the terminal surface of 2 rear ends of second pipe fittings flushes the setting, and L shape draw-in groove 2 b's vertical direction and the axis direction parallel arrangement of second pipe fitting 2, draw-in groove 2c set up in the middle part of L shape draw-in groove 2b horizontal direction.
Based on the above embodiment, when the first pipe 1 is spliced with the rear end of the second pipe 2 by the butt pipe 1a fixedly installed at the end and the clamping block 1b arranged on the outer wall of the butt pipe 1a, firstly, before butt joint, the insertion holes at the top ends of the clamping block 1b and the L-shaped clamping groove 2b are ensured to be arranged in a central state, then the first pipe fitting 1 is pushed towards the rear end direction of the second pipe fitting 2, so that the clamping block 1b is inserted into the L-shaped clamping groove 2b, at the moment, the first pipe fitting 1 slightly rotates towards the end part of the horizontal edge of the L-shaped clamping groove 2b, so that the clamping block 1b rotates to the position right below the clamping groove 2c, the clamping component 3 simultaneously pops out and is clamped into the clamping groove 2c, therefore, the splicing work between the first pipe fitting 1 and the second pipe fitting 2 and the limiting work of horizontal movement and axial rotation of the spliced axis are finished.
Further, in order to solve the technical problem that the joint of the first pipe 1 and the second pipe 2 can rotate autonomously, as shown in fig. 6:
the clamping assembly 3 comprises an elastic clamping block 3 a; the elastic fixture block 3a can be arranged in the groove in a radially telescopic manner.
Based on the embodiment, the bottom of the elastic clamping block 3a is driven by the spring to stretch, when the first pipe fitting 1 and the second pipe fitting 2 are spliced, the elastic clamping block 3a moves to a position right below the clamping groove 2c under the adjustment of a worker, the elastic clamping block 3a can automatically eject the elastic clamping block 3a under the self elastic force action of the spring, and the top of the elastic clamping block 3a is clamped in the clamping groove 2c, so that the axial rotation limiting work of the splicing position is realized.
As shown in fig. 6:
the elastic clamping block 3a further comprises arc chamfers 3b, and the arc chamfers 3b are further respectively arranged in the direction of the short side of the top of the elastic clamping block 3 a.
Based on above-mentioned embodiment, can splice between first pipe fitting 1 and second pipe fitting 2 under the effect of arc chamfer 3b, supplementary elasticity fixture block 3a contracts to butt joint pipe fitting 1a in by oneself, need not to press elasticity fixture block 3a manually and contracts.
Further, in order to solve the technical problem of how to achieve a good seal at the joint of the first pipe element 1 and the second pipe element 2, as shown in fig. 3 and 5:
the sealing assembly 4 comprises a first sealing ring 4a and a second sealing ring 4 b; the first sealing ring 4a is sleeved outside the butt-joint pipe fitting 1a, the side wall of the first sealing ring 4a is attached to the front end face of the first pipe fitting 1, the second sealing ring 4b is embedded in the slot 2a, and the side wall of the slot 2a is attached to the inner surface of the slot 2 a.
Based on the above embodiment, the first sealing ring 4a and the second sealing ring 4b are used to ensure good sealing performance at the splicing part of the front end and the rear end of the first pipe fitting 1 and the second pipe fitting 2.
This application has realized how to carry out spacing fixed work of axial spacing fixed and axial rotation fixed between first pipe fitting 1 after the joint cooperation and second pipe fitting 2 through elasticity fixture block 3a, has solved the first pipe fitting 1 or the 2 pulling of second pipe fitting after the concatenation, the technical problem that first pipe fitting 1 and 2 concatenation departments of second pipe fitting can break away from, this practical easy operation, concatenation are firm, and can carry out auto-lock and seal to pipe fitting concatenation department after the concatenation.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. The novel MPP power sheath is characterized by comprising a first pipe fitting (1), a second pipe fitting (2), a clamping assembly (3) and a sealing assembly (4); the front end of first pipe fitting (1) is plug-in connection with the rear end of second pipe fitting (2), and first pipe fitting (1) is coaxial state setting with second pipe fitting (2), and embedded the installing in the outer wall of first pipe fitting (1) front end of joint subassembly (3), and seal assembly (4) detachable sets up in second pipe fitting (2) rear end.
2. The MPP power sheath of claim 1, wherein the first pipe (1) comprises a butt pipe (1a) and a snap block (1 b); the butt joint pipe fitting (1a) is fixedly arranged at the front end of the first pipe fitting (1), the butt joint pipe fitting (1a) is coaxially arranged on the first pipe fitting (1), the inner diameter of the butt joint pipe fitting (1a) is equal to that of the first pipe fitting (1), and the outer diameter of the butt joint pipe fitting (1a) is larger than that of the first pipe fitting (1) and smaller than that of the first pipe fitting (1); joint piece (1b) fixed mounting in on the outer wall of butt joint pipe fitting (1a), joint piece (1b) along the axis direction equidistance of butt joint pipe fitting (1a) sets up in a plurality ofly, and the recess that is used for embedded installation joint subassembly (3) is still offered to the top surface of every joint piece (1 b).
3. The MPP power sheath of claim 2, wherein the second pipe (2) comprises a slot (2a), an L-shaped slot (2b) and a slot (2 c); the afterbody in second pipe fitting (2) is seted up to slot (2a) axial, slot (2a) with butt joint pipe fitting (1a) phase-match, L shape draw-in groove (2b) are seted up in the inner wall of slot (2a), the top of L shape draw-in groove (2b) with the terminal surface of second pipe fitting (2) rear end flushes the setting, the vertical direction of L shape draw-in groove (2b) and the axis direction parallel arrangement of second pipe fitting (2), and draw-in groove (2c) are seted up in the middle part of L shape draw-in groove (2b) horizontal direction.
4. The MPP power sheath of claim 3, wherein the snap-in assembly (3) comprises an elastic latch (3 a); the elastic clamping block (3a) can be arranged in the groove in a radially telescopic mode.
5. The MPP power sheath pipe as claimed in claim 4, wherein the elastic fixture block (3a) further comprises an arc chamfer (3b), and the arc chamfers (3b) are respectively arranged in the short side direction of the top of the elastic fixture block (3 a).
6. The MPP power sheath of claim 5, wherein the sealing assembly (4) comprises a first sealing ring (4a) and a second sealing ring (4 b); the first sealing ring (4a) is sleeved and installed outside the butt joint pipe fitting (1a), the side wall of the first sealing ring (4a) is attached to the front end face of the first pipe fitting (1), the second sealing ring (4b) is installed in the slot (2a) in an embedded mode, and the side wall of the slot (2a) is attached to the inner surface of the slot (2 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122457213.5U CN216774188U (en) | 2021-10-12 | 2021-10-12 | Novel MPP electric power protecting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122457213.5U CN216774188U (en) | 2021-10-12 | 2021-10-12 | Novel MPP electric power protecting sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774188U true CN216774188U (en) | 2022-06-17 |
Family
ID=81954618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122457213.5U Active CN216774188U (en) | 2021-10-12 | 2021-10-12 | Novel MPP electric power protecting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774188U (en) |
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2021
- 2021-10-12 CN CN202122457213.5U patent/CN216774188U/en active Active
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