CN112936173B - Auxiliary installation tool for split type gasket elastic fixing ring - Google Patents
Auxiliary installation tool for split type gasket elastic fixing ring Download PDFInfo
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- CN112936173B CN112936173B CN202110153903.3A CN202110153903A CN112936173B CN 112936173 B CN112936173 B CN 112936173B CN 202110153903 A CN202110153903 A CN 202110153903A CN 112936173 B CN112936173 B CN 112936173B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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Abstract
The invention relates to an auxiliary mounting tool for a split type gasket elastic fixing ring, which comprises a fixing assembly, a rotating assembly and a plurality of expansion assemblies, wherein the expansion assemblies comprise sliding blocks, expansion blocks and driven sliding columns, the expansion blocks and the driven sliding columns are respectively arranged at two ends of the sliding blocks, the fixing assembly is provided with a plurality of sliding grooves and circular sinking grooves matched with the split type gasket in shape and size, the sliding grooves are radially distributed with the circular sinking grooves as the center, the sliding blocks are correspondingly arranged in the sliding grooves one by one, the rotating assembly, the sliding grooves and the driven sliding columns are matched together to form a cam structure, and the expansion blocks extend out of the sliding grooves and are used for expanding the elastic fixing ring.
Description
Technical Field
The invention relates to an auxiliary installation tool, in particular to an auxiliary installation tool for a split type gasket elastic fixing ring.
Background
At present, in the fields of civil construction and mechanical installation, the installation requirement for fastening the connection of structural members is large. In the case of bolts currently in common use, when performing a joint tightening operation on a member, a worker needs to simultaneously insert a bolt with a nut on one side of the member and then tighten the nut with a tool on the other side. The connecting and fastening method has the advantages of simple structure, convenient operation and good bearing capacity, but is only suitable for the open section components, and the common bolt and nut connecting and fastening method cannot be used in certain special occasions, such as connecting and fastening the closed section components or the components inconvenient to operate on the other side. Such as: in the steel pipe structure and the steel pipe concrete structure, the beam column connecting joint is a closed section, and the steel pipe column cannot be operated on two sides and can only be connected and installed on one side, so that the fastening and installation cannot be carried out by adopting the common bolt and nut connection fastening method. At present, no corresponding unilateral bolt product exists in the domestic market, the published related patent either weakens the bolt rod too much or has too few stress points of the bolt head, and similar products exist in the foreign market, but the prior patent or the prior product cannot apply larger pretension to the bolt in the installation stage to form a friction type bolt connecting joint, the comprehensive mechanical property of the bearing is not ideal, and the bearing is greatly limited in the application of earthquake-resistant design of a building structure.
The Chinese patent with the publication number of CN 108571505A discloses a deformation shrinkage self-recovery split type unilateral bolt fastener and an installation tool thereof, and the unilateral bolt fastener disclosed by the patent has the structural characteristics that: the split gaskets are connected into a whole through elastic fixing rings (such as rubber bands) to form the deformation shrinkage self-recovery split gaskets. The chinese patent with the publication number CN 106607796a discloses an auxiliary installation tool for installing an elastic fixing ring on a split type gasket, but the installation tool has not yet been applied on a large scale, because each component is dispersed and needs to be stabilized by hand, most of the assembly modes of the split type gasket are still manual at present, that is, the elastic fixing ring is supported by hand and then sleeved in the grooves of four split type gaskets, the bare-handed assembly mode is very inconvenient, the split type gaskets are scattered frequently in the installation process, the elastic fixing ring is damaged easily, thus large-scale installation cannot be performed, the production efficiency is low, and the requirements of market large-scale use cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an auxiliary mounting tool for the split type gasket elastic fixing ring, which can rapidly and accurately mount the elastic fixing ring on the split type gasket, has a compact structure and can greatly improve the production efficiency.
The aim of the invention can be achieved by the following technical scheme:
the auxiliary mounting tool for the split type gasket elastic fixing ring comprises a fixing assembly, a rotating assembly and a plurality of expansion assemblies, wherein the expansion assemblies comprise sliding blocks, expansion blocks and driven sliding columns, the expansion blocks and the driven sliding columns are respectively arranged at two ends of the sliding blocks, the fixing assembly is provided with a plurality of sliding grooves and circular sinking grooves matched with the split type gasket in shape and size, the sliding grooves are radially distributed with the circular sinking grooves as the center, the sliding blocks are arranged in the sliding grooves in a one-to-one correspondence manner, the rotating assembly, the sliding grooves and the driven sliding columns are matched together to form a cam structure, and the expansion blocks extend out of the sliding grooves and are used for expanding the elastic fixing ring;
during installation, the elastic fixing ring is sleeved on the plurality of expansion blocks, the rotating assembly is rotated, the expansion blocks are driven to move along the sliding grooves in the direction away from the circular sinking grooves by the cam structure driving sliding blocks, the elastic fixing rings are expanded, when the elastic fixing rings are expanded to be larger than the size of the split type gaskets, the split type gaskets are placed in the circular sinking grooves, then the rotating assembly is rotated reversely, the expansion blocks are driven to move along the sliding grooves in the direction close to the direction away from the circular sinking grooves by the cam structure driving sliding blocks, the elastic fixing rings are reduced, when the elastic fixing rings and the split type gaskets are partially nested, the split type gaskets are lifted, and the elastic fixing rings are all nested on the split type gaskets after sliding out from the expansion blocks to finish installation.
Preferably, the top of expansion piece set up the fillet, make things convenient for the elasticity retainer plate to slide out from the expansion piece.
Further, the rotating assembly comprises a rotating plate and a cam, the cam is fixedly arranged on the rotating plate, the center of the cam is coaxially arranged with the circular sinking groove, the cam comprises a plurality of protruding parts, a plurality of cam structures are correspondingly matched with a plurality of driven sliding columns, and the moving speed and the moving distance of the sliding blocks corresponding to each driven sliding column in the sliding groove are controlled to be the same.
Further preferably, the plurality of sliding grooves are uniformly distributed around the circular sinking groove, the included angles between two adjacent sliding grooves are equal, the protruding parts are uniformly arranged around the center of the cam to form a flower-shaped cam, and the included angles between two adjacent protruding parts are equal and equal to the included angle between the sliding grooves.
Still further preferably, the protruding portion is of an axisymmetric structure, edges of the protruding portion are a first arc, a second arc and a third arc which are sequentially and tangentially connected, the first arc and the third arc are axially arranged on two sides of the second arc respectively, the circle center of the second arc is located inside the protruding portion, and the circle centers of the first arc and the third arc are located outside the protruding portion.
Further, fixed subassembly include fixed connection's last fixed plate and lower fixed plate, circular heavy groove set up in the upper surface of last fixed plate, last fixed plate on set up many rectangle holes that are radial distribution with circular heavy groove as the center, lower fixed plate on set up many slide with the rectangle hole one-to-one of last fixed plate, rectangle hole and slide combine jointly and form the spout.
Further preferably, the lower fixing plate is provided with a central round hole coaxial with the circular sinking groove, the cam is provided with a matching boss, and the matching boss is sleeved in the central round hole of the lower fixing plate and can rotate around the center of the lower fixing plate.
Further preferably, the side surface of the lower fixing plate is provided with a first handle, and the side surface of the rotating plate is provided with a second handle, so that the fixing of the fixing assembly and the rotation of the rotating assembly are facilitated, and the effect of saving labor can be achieved.
Further preferably, the expansion assembly, the sliding groove and the protruding part are all arranged in six groups to form central symmetrical arrangement.
When the plate and the cam are rotated, the six groups of driven slide posts are respectively contacted with six groups of protruding parts corresponding to the cam, the protruding parts respectively drive the corresponding slide blocks to move through the driven slide posts, and the movement of the six groups of slide blocks is kept consistent.
Compared with the prior art, the invention has the following advantages:
1) According to the split type gasket, the circular sinking groove is arranged for positioning and fixing, the cam mechanism is utilized, the expansion assembly can be controlled to move through the rotating assembly, the elastic fixing ring is expanded firstly, then the elastic fixing ring is contracted, when a part of the elastic fixing ring is nested on the split type gasket, the split type gasket is lifted up, the elastic fixing ring easily slides out on the expansion block, so that all installation can be completed, the whole structure is compact, the operation is simple, the installation is accurate, and the elastic fixing ring can be quickly and accurately installed on the split type gasket, so that the production efficiency is greatly improved;
2) The invention utilizes the cam mechanism to control the plurality of sliding blocks to expand the elastic fixing ring in the same movement, the expansion degree is not too large, namely, the rotating plate is rotated by a small amplitude to drive the boss to rotate, the sliding blocks can be driven to move due to the tendency of shrinkage after the elastic fixing ring is expanded in the recovery process, and the split type gasket is lifted up when one part of the elastic fixing ring is nested on the split type gasket, so that the elastic fixing ring can easily slide out on the expansion block with the round angle to complete the whole installation;
3) The handles are arranged on the rotating plate and the fixed plate, so that the invention can play a role in saving labor during rotation and is convenient to use;
4) The tool can be repeatedly installed after being assembled, and different circular sinking grooves can be replaced according to different split type gasket size designs, so that high-efficiency installation under different sizes is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a schematic illustration of a stent assembly;
FIG. 4 is a top view of the rotating plate assembly;
FIG. 5 is a schematic view of the tool of the present invention with an elastic retainer ring installed;
fig. 6 is a top view of the tool of the present invention with the elastic retainer ring installed.
Wherein, 1, an upper fixing plate, 2, a sliding block, 3, a driven sliding column, 4, an expansion block, 5, a lower fixing plate, 6, a first handle, 7, a sliding chute, 8 and a rotating plate, 9, a cam, 91, a protruding part, 10, a matching boss, 11, a second handle, 12, a split gasket, 13, a circular countersink, 14 and an elastic fixing ring.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Examples
As shown in fig. 1-4, the invention discloses an auxiliary installation tool for a split type gasket elastic fixing ring, which comprises a fixing component, a rotating component and a plurality of expansion components, wherein the expansion components comprise a sliding block 2, an expansion block 4 and a driven sliding column 3, the expansion block 4 and the driven sliding column 3 are respectively arranged at two ends of the sliding block 2, the fixing component is provided with a plurality of sliding grooves 7 and circular sinking grooves 13 matched with the split type gasket 12 in shape and size, the sliding grooves 7 are radially distributed with the circular sinking grooves 13 as the center, the sliding blocks 2 are arranged in the sliding grooves 7 in a one-to-one correspondence manner, the rotating component, the sliding grooves 7 and the driven sliding column 3 are matched together to form a cam structure, and the expansion block 4 extends out of the sliding grooves 7 and is used for expanding the elastic fixing ring 14.
The rotating assembly comprises a rotating plate 8 and a cam 9, the cam 9 is fixedly arranged on the rotating plate 8, the center of the cam 9 is coaxially arranged with the circular sinking groove 13, the cam 9 comprises a plurality of protruding parts 91, a plurality of cam structures are correspondingly matched with the driven sliding columns 3 to form, the sliding blocks 2 corresponding to the driven sliding columns 3 are controlled to have the same moving speed and distance in the sliding grooves 7, and the side face of the rotating plate 8 is further provided with a second handle 11.
The fixed subassembly includes fixed connection's last fixed plate 1 and lower fixed plate 5, and circular heavy groove 13 is seted up on the upper surface of last fixed plate 1, and upward set up many rectangle holes that are radial distribution on the fixed plate 1 with circular heavy groove 13 as the center, set up many slides with the rectangle hole one-to-one of last fixed plate 1 on the fixed plate 5 down, rectangle hole and slide are combined jointly and are formed spout 7, and the side of lower fixed plate 5 still sets up first handle 6.
The lower fixing plate 5 is provided with a central round hole coaxial with the circular sinking groove 13, the cam 9 is also provided with a matching boss 10, and the matching boss 10 is sleeved in the central round hole of the lower fixing plate 5 and can rotate around the center of the lower fixing plate.
In this embodiment, the top of the expansion block 4 is provided with rounded corners, the plurality of sliding grooves 7 are uniformly distributed around the circular sinking groove 13, the included angles between two adjacent sliding grooves 7 are equal, the protruding parts 91 are uniformly arranged around the center of the cam 9 to form the flower-shaped cam 9, and the included angles between two adjacent protruding parts 91 are equal and equal to the included angles between the sliding grooves 7.
The expansion assembly, the chute 7 and the protruding portion 91 form central symmetry arrangement, the protruding portion 91 is of an axisymmetric structure, the edges of the protruding portion 91 are a first arc, a second arc and a third arc which are sequentially and tangentially connected, the first arc and the third arc are axially arranged on two sides of the second arc respectively, the circle center of the second arc is located inside the protruding portion 91, the circle centers of the first arc and the third arc are located outside the protruding portion 91, when the plate 8 and the cam 9 are rotated, the multiple groups of driven sliding columns 3 of central symmetry are respectively contacted with the multiple groups of protruding portions 91 corresponding to the cam 9, the protruding portions 91 respectively drive the corresponding sliding blocks 2 to move through the driven sliding columns 3, and the movement of the multiple groups of sliding blocks 2 is kept consistent.
As shown in fig. 5 and 6, during installation, firstly, the elastic fixing ring 14 is sleeved on the plurality of expansion blocks 4, the rotating assembly is rotated, the expansion blocks are driven by the cam structure driving sliding block 2 to move along the sliding groove 7 in a direction away from the circular sinking groove 13, the elastic fixing ring 14 is expanded, when the elastic fixing ring 14 expands to be larger than the split type gasket 12, the split type gasket 12 is placed in the circular sinking groove 13, then the rotating assembly is rotated reversely, the expansion blocks are driven by the cam structure driving sliding block 2 to move along the sliding groove 7 in a direction close to the direction away from the circular sinking groove 13, the elastic fixing ring 14 is contracted, when the elastic fixing ring 14 and the split type gasket 12 are partially nested, the split type gasket 12 is lifted up, and the elastic fixing ring 14 is completely nested on the split type gasket 12 after sliding out of the expansion blocks 4, so that installation is completed.
Specific examples are given below:
as shown in fig. 1-4, the installation tool mainly comprises an upper fixing plate 1, a sliding block 2, a lower fixing plate 5, a rotating plate 8 and other parts, wherein after the upper fixing plate 1 and the lower fixing plate 5 are fixedly connected through screws, a formed sliding groove 7 can be used for the sliding block 2 to move in, a cam 9 is arranged on the rotating plate 8 and can be contacted with a driven sliding column 3 at the bottom of the sliding block 2, a cam mechanism is formed together with the sliding groove 7, and the rotating plate 8 drives the cam 9 to rotate so as to realize the movement of the sliding block 2 along the sliding groove 7.
The cross section of spout 7 is the rectangle, and the surface is level and smooth, and the cross section of slider 2 is the same with spout 7, and the slider 2 of being convenient for installs and moves in spout 7, corresponds totally 6 groups with spout 7, and slider 2 downside one end is equipped with driven traveller 3, and the opposite one end of going up the side is equipped with expansion piece 4, and expansion piece 4 upper end is equipped with the fillet by slider 2 one side, can make elastic fixed ring 14 remove the roll-off.
When the split type gasket is used, the elastic fixing ring 14 is sleeved on the expansion block 4 above the sliding block 2 to be stretched and expanded, the split type gasket 12 is placed in the circular sinking groove 13 of the upper fixing plate 1, and when the split type gasket is recovered, a part of the split type gasket is nested in the groove of the split type gasket 12, and the split type gasket is lifted to be completely installed.
The upper fixing plate 1 is disc-shaped and is provided with six elongated rectangular holes which are uniformly distributed radially, the expansion block 4 can move in the elongated rectangular holes, a circular sinking groove 13 is formed in the center of the expansion block, the lower fixing plate 5 is ring-shaped, the outer diameter of the expansion block is the same as that of the upper fixing plate 1, a central round hole is formed in the center of the expansion block, six paths of slide ways which are uniformly distributed radially are formed in the ring-shaped part in a processing mode, the side face of the lower fixing plate 5 is further provided with a first handle 6 which can be held by hands or clamped and fixed by other devices, and the elongated rectangular holes and the slide ways are mutually matched to form the slide groove 7.
The rotating plate 8 is disc-shaped, the cam 9, the matching boss 10 and the second handle 11 are arranged on the rotating plate, the profile curve of the cam 9 is similar to a flower, six groups of identical protruding parts 91 are uniformly distributed, the motion consistency of the six corresponding sliding blocks 2 is ensured, and the matching boss 10 is in clearance fit with the central round hole of the lower fixing plate 5.
As shown in fig. 5 and 6, the specific installation process of the auxiliary installation tool is as follows:
the six groups of sliding blocks 2 are placed into the upper fixing plate 1 and the lower fixing plate 5 and are fixedly connected by screws, so that the sliding blocks 2 can only move in the sliding grooves 7, the central hole of the connected lower fixing plate 5 is in clearance fit with the matching boss 10 of the rotating plate 8, the position of the sliding blocks 2 is adjusted to enable the driven sliding column 3 at the bottom to contact the cam 9, at the moment, the sliding blocks 3 are adjusted to the position capable of sleeving the elastic fixing rings 14 by keeping the movement of the six groups of sliding blocks 2 consistent due to the fact that the cam 9 is provided with six groups of identical protruding parts 91, the elastic fixing rings 14 are sleeved on the expansion blocks 4, the second handle 11 is rotated, the cam 9 is rotated along with the sliding blocks 2 to move in the sliding grooves 7, the elastic fixing rings 14 are expanded to a certain extent, the split type gaskets 12 are placed in the circular sinking grooves 13 of the upper fixing plate 1, the elastic fixing rings 14 are adjusted to the proper positions, at the moment, the second handle 11 is rotated reversely, the sliding blocks 2 move under the action of restoring force of the expansion of the elastic fixing rings 14 after expansion of the elastic fixing rings 14 at the moment, part of the sliding blocks can be easily sleeved on the expansion blocks 12, and the split type gaskets 12 are completely fixed on the split type gaskets 12.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions may be made without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (3)
1. The auxiliary mounting tool for the split type gasket elastic fixing ring is characterized by comprising a fixing assembly, a rotating assembly and a plurality of expansion assemblies, wherein the expansion assemblies comprise sliding blocks (2), expansion blocks (4) and driven sliding columns (3), the expansion blocks (4) and the driven sliding columns (3) are respectively arranged at two ends of the sliding blocks (2), the fixing assembly is provided with a plurality of sliding grooves (7) and circular sinking grooves (13) matched with the split type gasket (12) in shape and size, the sliding grooves (7) are distributed radially with the circular sinking grooves (13) as the center, the sliding blocks (2) are arranged in the sliding grooves (7) in a one-to-one correspondence mode, the rotating assemblies, the sliding grooves (7) and the driven sliding columns (3) are matched together to form a cam structure, and the expansion blocks (4) extend out of the sliding grooves (7) and are used for expanding the elastic fixing ring (14);
during installation, the elastic fixing rings (14) are sleeved on the expansion blocks (4) and rotate the rotating assembly, the sliding blocks (2) are driven by the cam structure to drive the expansion blocks to move along the sliding grooves (7) in the direction away from the circular sinking grooves (13), the elastic fixing rings (14) are expanded, when the elastic fixing rings (14) are expanded to be larger than the size of the split type gaskets (12), the split type gaskets (12) are placed in the circular sinking grooves (13), then the rotating assembly is reversely rotated by utilizing the elastic force of the elastic fixing rings (14), the sliding blocks (2) are driven by the cam structure to drive the expansion blocks to move along the sliding grooves (7) in the direction close to the circular sinking grooves (13), the elastic fixing rings (14) are contracted, when the elastic fixing rings (14) and the split type gaskets (12) are partially nested, the split type gaskets (12) are taken up, and the split type gaskets (12) are completely nested on the split type gaskets (12) after the elastic fixing rings (14) slide out from the expansion blocks (4), so that installation is completed;
the top of the expansion block (4) is provided with a round angle;
the rotating assembly comprises a rotating plate (8) and a cam (9), wherein the cam (9) is fixedly arranged on the rotating plate (8) and is coaxially arranged with the circular sinking groove (13) at the center, the cam (9) comprises a plurality of protruding parts (91) which are correspondingly matched with a plurality of driven sliding columns (3) to form a plurality of cam structures, and the moving speed and the moving distance of a sliding block (2) corresponding to each driven sliding column (3) in a sliding groove (7) are controlled to be the same;
the sliding grooves (7) are uniformly distributed around the circular sinking grooves (13), the included angles between two adjacent sliding grooves (7) are equal, the protruding parts (91) are uniformly arranged around the center of the cam (9) to form a flower-shaped cam (9), and the included angles between two adjacent protruding parts (91) are equal and equal to the included angles between the sliding grooves (7);
the fixing assembly comprises an upper fixing plate (1) and a lower fixing plate (5) which are fixedly connected, the circular sinking groove (13) is formed in the upper surface of the upper fixing plate (1), a plurality of rectangular holes which are radially distributed are formed in the upper fixing plate (1) by taking the circular sinking groove (13) as the center, a plurality of slide ways which are in one-to-one correspondence with the rectangular holes of the upper fixing plate (1) are formed in the lower fixing plate (5), and the rectangular holes and the slide ways are combined together to form a slide groove (7);
the lower fixing plate (5) is provided with a central round hole coaxial with the circular sinking groove (13), the cam (9) is provided with a matching boss (10), and the matching boss (10) is sleeved in the central round hole of the lower fixing plate (5) and can rotate around the center of the lower fixing plate;
six groups of expansion components, sliding grooves (7) and protruding parts (91) are arranged to form central symmetrical arrangement;
when the rotating plate (8) and the cam (9) rotate, the six groups of driven slide posts (3) are respectively contacted with six groups of protruding parts (91) corresponding to the cam (9), and the protruding parts (91) respectively drive the corresponding slide blocks (2) to move through the driven slide posts (3), so that the movement of the six groups of slide blocks (2) is kept consistent.
2. The auxiliary installation tool for the split type gasket elastic fixing ring according to claim 1, wherein the protruding portion (91) is of an axisymmetric structure, the edges of the protruding portion are a first arc, a second arc and a third arc which are sequentially and tangentially connected, the first arc and the third arc are respectively arranged on two sides of the second arc in an axial mode, the circle center of the second arc is located inside the protruding portion (91), and the circle centers of the first arc and the third arc are located outside the protruding portion (91).
3. The auxiliary installation tool for the split gasket elastic fixing ring according to claim 1, wherein the side surface of the lower fixing plate (5) is provided with a first handle (6), and the side surface of the rotating plate (8) is provided with a second handle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110153903.3A CN112936173B (en) | 2021-02-04 | 2021-02-04 | Auxiliary installation tool for split type gasket elastic fixing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110153903.3A CN112936173B (en) | 2021-02-04 | 2021-02-04 | Auxiliary installation tool for split type gasket elastic fixing ring |
Publications (2)
| Publication Number | Publication Date |
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| CN112936173A CN112936173A (en) | 2021-06-11 |
| CN112936173B true CN112936173B (en) | 2023-08-29 |
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| CN202110153903.3A Active CN112936173B (en) | 2021-02-04 | 2021-02-04 | Auxiliary installation tool for split type gasket elastic fixing ring |
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| CN117826349B (en) * | 2024-03-04 | 2024-05-14 | 河北东方祥瑞通信技术有限公司 | Outdoor optical cable fiber distribution box with water immersion alarm device |
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| CN210966603U (en) * | 2019-10-16 | 2020-07-10 | 苏诺 | Reamer for reducing diameter of elastic ring piece |
| CN211728915U (en) * | 2020-03-13 | 2020-10-23 | 吴江市徐氏机电有限公司 | Clamping device for hardware product machining |
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|---|---|---|---|---|
| CN102582899A (en) * | 2011-01-17 | 2012-07-18 | 克朗斯股份公司 | Method and device for fixing elastic sleeves onto containers |
| CN104002277A (en) * | 2014-05-19 | 2014-08-27 | 同济大学 | Installation tool for split type nesting unilateral fastener |
| CN105415282A (en) * | 2015-12-30 | 2016-03-23 | 同济大学 | Bevel gear drive type unilateral bolt fastener mounting tool |
| CN106607796A (en) * | 2016-12-20 | 2017-05-03 | 同济大学 | Auxiliary mounting tool for mounting elastic fixing ring on split gasket |
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| CN108819211A (en) * | 2018-05-30 | 2018-11-16 | 苏州菲丽丝智能科技有限公司 | A kind of elasticity leather sheath expanding mechanism |
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| CN211728915U (en) * | 2020-03-13 | 2020-10-23 | 吴江市徐氏机电有限公司 | Clamping device for hardware product machining |
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| Publication number | Publication date |
|---|---|
| CN112936173A (en) | 2021-06-11 |
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