CN210032612U - Positioning support for embedded sleeve - Google Patents
Positioning support for embedded sleeve Download PDFInfo
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- CN210032612U CN210032612U CN201920625651.8U CN201920625651U CN210032612U CN 210032612 U CN210032612 U CN 210032612U CN 201920625651 U CN201920625651 U CN 201920625651U CN 210032612 U CN210032612 U CN 210032612U
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- sleeve
- fixing plate
- pipe
- screw rod
- elasticity
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Abstract
The utility model discloses a positioning support for a pre-buried sleeve, which comprises an upper fixing plate (1), a screw rod (2), an elastic fixing sleeve (3), a fixing nut (4), an adjusting nut (5), a supporting pipe (6) and a lower fixing plate (7); the upper fixing plate is arranged at the top of the sleeve (8), the sleeve is vertically arranged on the template (9), the screw rod penetrates through the upper fixing plate, the sleeve and the template, the screw rod is connected with the lower fixing plate, the lower fixing plate is attached to the lower surface of the template, and the fixing nut is screwed with the screw rod and tightly pressed on the upper fixing plate; prop pipe and the fixed cover of elasticity and all cup joint on the lead screw in the cover, the top at propping the pipe is shelved to the bottom of the fixed cover of elasticity, and adjusting nut matches and connects soon on the lead screw and compresses tightly at the top of the fixed cover of elasticity, and adjusting nut makes the fixed cover of elasticity pass through elastic deformation and sheathed tube inner wall in close contact with. The utility model discloses enable the pull rod and not taking place the skew at the fixed in-process of screwing up to it is even to make sleeve pipe and template atress, has avoided the slope that the eccentric sleeve pipe atress leads to.
Description
Technical Field
The utility model relates to a floor pouring auxiliary assembly in the building engineering field especially relates to a be used for buried sleeve's positioning support in advance who is applicable to different diameters.
Background
In cast-in-place concrete floors, it is usually necessary to reserve electromechanical holes through the floor. Before the floor slab is poured, a pre-buried PVC sleeve or other types of sleeves are usually used for reservation. The traditional method is to fix the sleeve on the surface of the template by utilizing the iron nails and the steel wires, the method wastes the iron nails and the steel wires, and meanwhile, when the floor slab is vibrated after concrete is poured, the bound steel wires are often loosened, the sleeve is displaced, and the installation of subsequent electromechanical pipelines is influenced.
At present, the more practical way is through L shape pull rod pass sleeve pipe and template, with fixed plate and nut fixed sleeve pipe, this way has avoided the waste of iron nail and steel wire, but the process that the nut was screwed up causes the sleeve pipe to remove very easily, and the uneven atress of template bottom when L shape pull rod lower part acts on in the template, thereby cause the pull rod to be misaligned with the sheathed tube centre of a circle, lead to the sleeve pipe atress uneven and probably take place the slope, because the effect of concrete can aggravate sheathed tube slope when concrete placement, thereby influence the installation of follow-up water and electricity pipe. Meanwhile, the fixing device in the prior art is only suitable for the sleeves with the same diameter as the fixing plate, is not suitable for the sleeves with different diameters, and the fixing devices with corresponding sizes are required to be customized when the sleeves with different diameters are installed and fixed, so that the fixing device is very inconvenient, high in cost, poor in universality and not suitable for popularization and application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positioning support for buried sleeve pipe enables the pull rod and not takes place the skew tightening fixed in-process, and makes sleeve pipe and template atress even, has avoided the eccentric slope that leads to of sleeve pipe atress, the follow-up installation of the pipeline of being convenient for.
The utility model discloses a realize like this:
a positioning support for pre-buried sleeves comprises an upper fixing plate, a screw rod, an elastic fixing sleeve, a fixing nut, an adjusting nut, a supporting pipe and a lower fixing plate; the upper fixing plate is horizontally arranged at the top of the sleeve, the sleeve is vertically arranged on the template, the screw rod sequentially penetrates through the template, the sleeve and the upper fixing plate, and the screw rod and the sleeve are coaxially arranged; the lower end of the screw rod is connected with the lower fixing plate, so that the lower fixing plate is attached to the lower surface of the template; the upper end of the screw rod extends to the upper part of the upper fixing plate, and the fixing nut is screwed on the screw rod in a matching way and is tightly pressed on the upper surface of the upper fixing plate; the center of the elastic fixing sleeve is provided with a sleeving through hole, the elastic fixing sleeve is sleeved on a screw rod in the sleeve, a supporting pipe is sleeved on the screw rod in the sleeve, the bottom of the elastic fixing sleeve is placed at the top of the supporting pipe, an adjusting nut is matched and screwed on the screw rod and tightly pressed at the top of the elastic fixing sleeve, the adjusting nut rotates downwards on the screw rod, the elastic fixing sleeve is enabled to be in close contact with the inner wall of the sleeve through elastic deformation, and the screw rod and the sleeve are relatively fixed and keep coaxial arrangement.
The elastic fixing sleeve is composed of a plurality of contact pieces which are uniformly distributed around the sleeve-joint through hole, and the contact pieces are of cambered surface structures with the middle parts bent outwards, so that the deformation range of the elastic fixing sleeve can cover the pipe diameter variation range of the sleeve.
The top and the bottom of the elastic fixing sleeve are both provided with welding blocks, the two ends of the plurality of contact pieces are respectively fixed with the welding blocks, the center of each welding block is provided with a first center hole communicated with the sleeve-joint through hole, and the screw rod penetrates through the welding blocks through the first center holes.
The upper end and the lower end of the elastic fixing sleeve are respectively in corresponding contact with the adjusting nut and the supporting pipe through the welding block for pressing.
The four contact pieces are symmetrically arranged into a cross-shaped structure.
The upper end of the supporting pipe is provided with a pressing surface which is in contact with the bottom of the elastic fixing sleeve and is pressed tightly, the center of the pressing surface is provided with a second center hole, and the screw rod is inserted into the supporting pipe through the second center hole.
The lower fixing plate is of a plane plate-shaped structure, and the lower end of the screw rod is connected to the center of the lower fixing plate.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses an elastic deformation and paste the elastic fixation piece of tight on the intraductal wall of sleeve and prevent that the pull rod from screwing up the in-process skew to make the sleeve pipe atress even and the installation not incline, thereby can satisfy the installation requirement of follow-up pipeline.
2. The utility model discloses an elastic deformation scope of elastic fixation piece can cover sheathed tube pipe diameter variation range to can be general in the sleeve pipe of different diameters, the application scope is wide.
3. The utility model discloses simple structure, easy dismounting can have enough to meet the need reuse, has reduced building construction cost.
Drawings
Fig. 1 is a sectional view of the positioning support for the pre-buried sleeve of the present invention;
FIG. 2 is a top view of the elastic fixing piece in the positioning support for pre-buried sleeve according to the present invention;
FIG. 3 is a front view of the elastic fixing plate of the positioning support for pre-buried sleeve of the present invention;
fig. 4 is a top view of the supporting tube in the positioning support for pre-buried sleeve of the present invention.
In the figure, 1 an upper fixing plate, 2 a screw rod, 3 an elastic fixing sleeve, 31 a welding block, 311 a first central hole, 4 a fixing nut, 5 an adjusting nut, 6 a supporting pipe, 61 a pressing surface, 611 a second central hole, 7 a lower fixing plate, 8 a sleeve and 9 a template.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, a positioning support for pre-buried casing includes an upper fixing plate 1, a screw rod 2, an elastic fixing sleeve 3, a fixing nut 4, an adjusting nut 5, a supporting tube 6 and a lower fixing plate 7; the upper fixing plate 1 is horizontally arranged at the top of the sleeve 8, the sleeve 8 is vertically arranged on the template 9, the screw rod 2 sequentially penetrates through the template 9, the sleeve 8 and the upper fixing plate 1 from bottom to top, and the screw rod 2 and the sleeve 8 are coaxially arranged; the lower end of the screw rod 2 is connected with a lower fixing plate 7, so that the lower fixing plate 7 is fixedly attached to the lower surface of the template 9; the upper end of the screw rod 2 extends to the upper part of the upper fixing plate 1, and the fixing nut 4 is screwed on the screw rod 2 through thread matching and is tightly pressed on the upper surface of the upper fixing plate 1, so that the sleeve 8 is fixed at the hole design position of the template 9; the center of the fixed cover of elasticity 3 is equipped with and cup joints the through-hole, the fixed cover of elasticity 3 cup joints the middle part at the lead screw 2 of sleeve pipe 8, prop pipe 6 and cup joint the lower part at the lead screw 2 of sleeve pipe 8, the top of propping pipe 6 is shelved to the bottom of the fixed cover of elasticity 3, adjusting nut 5 connects soon on lead screw 2 and compresses tightly at the top of the fixed cover of elasticity 3 through the screw thread matching, adjusting nut 5 rotates downwards on lead screw 2, adjusting nut 5 and prop pipe 6 formation support structure to the fixed cover of elasticity 3 pushes up down, make the fixed cover of elasticity 3 through the elastic deformation that the extrusion produced and the inner wall in close contact with of sleeve pipe 8, thereby make lead screw 2 and sleeve pipe 8's relatively fixed and keep coaxial setting.
Referring to fig. 2 and fig. 3, the elastic fixing sleeve 3 is composed of a plurality of contact pieces uniformly distributed around the central axis of the screw rod 2, and the contact pieces are cambered structures with middle parts bent outwards, so that the deformation range of the elastic fixing sleeve 3 can cover the pipe diameter variation range of the sleeve 8, and can be deformed under the vertical clamping action of the adjusting nut 5 and the supporting pipe 6, so that the cambered structures in the middle parts expand outwards and are in close contact with the inner wall of the sleeve 8, and the purposes of relatively fixing the screw rod 2 and the sleeve 8 and keeping the coaxiality are achieved.
The top and the bottom of the elastic fixing sleeve 3 are both provided with welding blocks 31, the two ends of the plurality of contact pieces are respectively fixed with the welding blocks 31, the center of the welding block 31 is provided with a first center hole 311, the screw rod 2 penetrates through the welding blocks 31 through the first center hole 311, and the welding blocks 31 can play a role in reinforcing the elastic fixing sleeve 3.
The upper end and the lower end of the elastic fixing sleeve 3 are correspondingly contacted and compressed with the adjusting nut 5 and the supporting pipe 6 through the welding block 31 respectively, and the welding block 31 increases the supporting contact area of the upper end and the lower end of the elastic fixing sleeve 3, thereby ensuring the supporting stability of the elastic fixing sleeve 3.
The number of the contact pieces is at least three, preferably, the number of the contact pieces is four, the four contact pieces are symmetrically arranged into a cross structure, the uniform supporting and positioning effects on the sleeve 8 can be achieved in four directions of the sleeve 8, the good coaxiality is ensured, and the inclination of the sleeve 8 is avoided.
Referring to fig. 4, the upper end of the supporting tube 6 is provided with a pressing surface 61 contacting and pressing the bottom of the elastic fixing sleeve 3, the center of the pressing surface 61 is provided with a second central hole 611, the screw rod 2 is inserted into the supporting tube 6 through the second central hole 611, and the pressing surface 61 contacts with the welding block 31 at the bottom of the elastic fixing sleeve 3 in an attaching manner, so that the supporting contact area of the lower end of the elastic fixing sleeve 3 is increased, and the supporting stability of the elastic fixing sleeve 3 is ensured.
The lower fixing plate 7 is a planar plate-shaped structure, the lower end of the screw rod 2 is connected to the center of the lower fixing plate 7, and preferably, the lower fixing plate 7 is a circular plate-shaped structure, so that the template 9 is stressed uniformly, and the stability of the screw rod 2 is maintained.
Referring to fig. 1 to 4, the operation method of the positioning support for the pre-buried sleeve according to the present invention is as follows: when the floor slab pouring construction is carried out, the sleeve 8 with a proper size is selected to be positioned at the hole design position of the template 9, the screw rod 2 penetrates through the template 9 and the sleeve 8 and is coaxially arranged with the sleeve 8, the lower fixing plate 7 is attached to the lower surface of the template 9, the stress of the template 9 is uniform, and preferably, the lower fixing plate 7 can be of a steel round plane plate-shaped structure.
A supporting pipe 6 matched with the diameter of the screw rod 2 is coaxially sleeved on the screw rod 2, the height of the supporting pipe 6 can be adjusted according to the height of the sleeve 8, and the supporting pipe 6 and the elastic fixing sleeve 3 are both positioned in the sleeve 8; prop the pipe 6 and vertically arrange template 9 in, again on the lead screw 2 coaxial cup joint the fixed cover of elasticity 3, the solder block 31 of the bottom of the fixed cover of elasticity 3 supports fixedly through propping the face 61 that compresses tightly of pipe 6, connect adjusting nut 5 soon on lead screw 2 and push down the solder block 31 at the fixed cover of elasticity 3 tops through the screw thread matching and make the fixed cover of elasticity 3 deformation expand outward, make the middle part of 4 contact pieces that the cross distributes evenly contact and compress tightly with the inner wall of sleeve pipe 8, ensure that the atress of sleeve pipe 8 is even, lead screw 2 keeps coaxial setting with sleeve pipe 8. Preferably, the contact piece can adopt long banding steel sheet to support, makes it have certain intensity and elasticity, and elastic deformation's scope can cover the diameter variation range of the sleeve pipe 8 of required installation among the building engineering, thereby makes the utility model discloses can be applied to the sheathed tube fixed operation of different diameters.
And finally, the upper fixing plate 1 is arranged at the top of the sleeve 8, the upper end of the screw rod 2 penetrates through the upper fixing plate 1, and the fixing nut 4 is screwed on the screw rod 2 through thread matching and is screwed on the upper surface of the upper fixing plate 1, so that the purpose of fixing the sleeve 8 is achieved. The screw rod 2 is relatively fixed with the sleeve 8 through the elastic fixing sleeve 3, so that the screw rod cannot deviate in the screwing process, and the inclination caused by the stress eccentricity of the sleeve 8 is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, therefore, any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (7)
1. A positioning support for embedded casing pipe, characterized by: comprises an upper fixing plate (1), a screw rod (2), an elastic fixing sleeve (3), a fixing nut (4), an adjusting nut (5), a supporting pipe (6) and a lower fixing plate (7); the upper fixing plate (1) is horizontally arranged at the top of the sleeve (8), the sleeve (8) is vertically arranged on the template (9), the screw rod (2) sequentially penetrates through the template (9), the sleeve (8) and the upper fixing plate (1), and the screw rod (2) and the sleeve (8) are coaxially arranged; the lower end of the screw rod (2) is connected with a lower fixing plate (7), so that the lower fixing plate (7) is attached to the lower surface of the template (9); the upper end of the screw rod (2) extends to the upper part of the upper fixing plate (1), and the fixing nut (4) is screwed on the screw rod (2) in a matching way and is tightly pressed on the upper surface of the upper fixing plate (1); the center of the fixed cover of elasticity (3) is equipped with cup joints the through-hole, the fixed cover of elasticity (3) cup joints on lead screw (2) in sleeve pipe (8) through cup jointing the through-hole, prop pipe (6) and cup joint on lead screw (2) in sleeve pipe (8), the top of propping pipe (6) is shelved to the bottom of the fixed cover of elasticity (3), adjusting nut (5) match and connect soon on lead screw (2) and compress tightly the top in the fixed cover of elasticity (3), adjusting nut (5) downward rotating on lead screw (2), make the fixed cover of elasticity (3) through the inner wall in close contact with of elastic deformation and sleeve pipe (8), and lead screw (2) and sleeve pipe (8) relatively fixed and keep coaxial setting.
2. The setting support for pre-buried casing according to claim 1, wherein: the elastic fixing sleeve (3) is composed of a plurality of contact pieces which are uniformly distributed around the sleeve through hole, and the contact pieces are of cambered surface structures with the middle parts bent outwards, so that the deformation range of the elastic fixing sleeve (3) can cover the pipe diameter variation range of the sleeve (8).
3. The setting support for pre-buried casing according to claim 2, wherein: the top and the bottom of fixed cover of elasticity (3) all be equipped with soldering block (31), the both ends of a plurality of contact pieces are fixed with soldering block (31) respectively, the central authorities of soldering block (31) be equipped with cup joint first centre bore (311) of through-hole intercommunication, lead screw (2) run through soldering block (31) through first centre bore (311).
4. The setting support for pre-buried casing according to claim 3, wherein: the upper end and the lower end of the elastic fixing sleeve (3) are correspondingly contacted and pressed with the adjusting nut (5) and the supporting pipe (6) through a welding block (31) respectively.
5. The setting support for pre-buried casing according to claim 2, wherein: the four contact pieces are symmetrically arranged into a cross-shaped structure.
6. The setting support for pre-buried casing according to claim 1, wherein: the upper end of the supporting pipe (6) is provided with a pressing surface (61) which is in contact with the bottom of the elastic fixing sleeve (3) to be pressed, the center of the pressing surface (61) is provided with a second central hole (611), and the screw rod (2) is inserted into the supporting pipe (6) through the second central hole (611).
7. The setting support for pre-buried casing according to claim 1, wherein: the lower fixing plate (7) is of a plane plate-shaped structure, and the lower end of the screw rod (2) is connected to the center of the lower fixing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920625651.8U CN210032612U (en) | 2019-04-30 | 2019-04-30 | Positioning support for embedded sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920625651.8U CN210032612U (en) | 2019-04-30 | 2019-04-30 | Positioning support for embedded sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210032612U true CN210032612U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920625651.8U Active CN210032612U (en) | 2019-04-30 | 2019-04-30 | Positioning support for embedded sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210032612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043030A (en) * | 2019-04-30 | 2019-07-23 | 中国建筑第八工程局有限公司 | Universal floor reserves the fixation device of casing |
-
2019
- 2019-04-30 CN CN201920625651.8U patent/CN210032612U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043030A (en) * | 2019-04-30 | 2019-07-23 | 中国建筑第八工程局有限公司 | Universal floor reserves the fixation device of casing |
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| GR01 | Patent grant |