CN219075569U - Split type clamp plate quick change structure of multipurpose instrument - Google Patents
Split type clamp plate quick change structure of multipurpose instrument Download PDFInfo
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- CN219075569U CN219075569U CN202222923616.9U CN202222923616U CN219075569U CN 219075569 U CN219075569 U CN 219075569U CN 202222923616 U CN202222923616 U CN 202222923616U CN 219075569 U CN219075569 U CN 219075569U
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- telescopic rod
- pressing plate
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- fixed seat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to a multipurpose tool split type pressing plate quick-change structure which comprises a telescopic rod, a fixed seat and a split type pressing plate, wherein the telescopic rod penetrates through the fixed seat and is connected with the fixed seat through a spring, a limiting head is arranged at the end part of the telescopic rod, the split type pressing plate is detachably clamped on the telescopic rod between the limiting head and the fixed seat, the limiting head is used for contacting and fixing the split type pressing plate with the fixed seat under the action of the spring, and a plurality of limiting pins are arranged on the lower surface of the fixed seat. The multipurpose tool split type pressing plate quick-change structure can be used for mounting most of saw blades with common specifications on the market, such as an opening, a closing opening, a large hole of 14mm or 12mm, a small hole of 10mm and the like, and the saw blades are tightly pressed on the fixed seat through the matching of the split type pressing plate and the telescopic rod.
Description
Technical Field
The utility model relates to the technical field of machining electric tools, in particular to a split type pressing plate quick-change structure of a multipurpose tool.
Background
Because of different connecting and fixing structures, special saw blades, shovels, sand plates and the like are often required to be configured on the market of quick-change multipurpose electric tools, wherein one end of each saw blade is used for cutting a workpiece, and the other end of each saw blade is matched with the fixing seat on the saw blade through the connecting structure such as a screw and the like on the saw blade to fixedly connect the saw blade with the electric tool. The structure of connecting on the saw bit includes opening, closing, big hole 14mm or 12mm, aperture 10mm etc. is fixed on the fixing base through screw or other structures, and the saw bit of specific one kind structure is often only installed to quick change multipurpose electric tool's on the market mounting structure, and the saw bit of different kind structures is unable to be used, can't install on the quick change multipurpose electric tool, and this just results in purchasing, the inconvenience of comparing during the use to current saw bit also can't be used when changing multipurpose electric tool, causes the waste of resource.
Chinese patent CN216541198U discloses a saw blade quick-change structure of an electric tool, comprising a locking mechanism, a head shell, a tool rest and a quick-change fastener, wherein the locking mechanism is installed inside the head shell and is used for fixing or loosening a saw blade, the tool rest is installed at the bottom of the head shell, the quick-change fastener is hinged on the head shell and is used for controlling the locking or loosening of the locking mechanism, and the locking mechanism comprises a movable rod, a locking rod, a spring chuck, a locking block, a limiting sleeve and a resetting device; the spring chuck is positioned below the movable rod, and the locking rod is clamped by the spring chuck. The utility model can realize the rapid disassembly of the saw blade, but only can use the saw blade with one connecting structure type matched with the saw blade, and can not install other types of saw blades.
Disclosure of Invention
The utility model provides a split type pressing plate quick-change structure of a multipurpose tool, which aims to solve the technical problems that a quick-change multipurpose electric tool in the prior art cannot be completely matched with and provided with multiple types of saw blades.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model relates to a multipurpose tool split type pressing plate quick-change structure which comprises a telescopic rod, a fixed seat and a split type pressing plate, wherein the telescopic rod penetrates through the fixed seat and is connected with the fixed seat through a spring, a limiting head is arranged at the end part of the telescopic rod, the split type pressing plate is detachably clamped on the telescopic rod between the limiting head and the fixed seat, the limiting head is used for contacting and fixing the split type pressing plate with the fixed seat under the action of the spring, and a plurality of limiting pins are arranged on the lower surface of the fixed seat.
Preferably, the split type clamp plate on be equipped with U type groove, set up along telescopic link circumferencial direction's block groove on the telescopic link, the telescopic link of block groove lower part forms the limit head, U type groove and block groove block.
Preferably, the split type clamp plate on be equipped with the bar hole, offered the block groove along telescopic link circumferencial direction on the telescopic link, the telescopic link passes the bar hole, the telescopic link of block groove lower part forms the limit head, bar hole and block groove block.
Preferably, the surface of the split type pressing plate is provided with a U-shaped sheath in a protruding mode, the opening direction of the U-shaped sheath is the same as that of the U-shaped groove, the diameter of the arc-shaped part of the inner wall of the U-shaped sheath is the same as that of the upper limit head of the telescopic rod, and the diameter of the arc-shaped part of the inner wall of the U-shaped groove is the same as that of the clamping groove.
Preferably, the other end of one end of the clamping of the strip-shaped hole and the telescopic rod is provided with a mounting hole, the aperture of the mounting hole is larger than or equal to the diameter of the upper limit head of the telescopic rod, the strip-shaped hole on the other side of the mounting hole forms a guide hole, and the width of the guide hole is equal to the diameter of the clamping groove.
Preferably, the surface of the split type pressing plate is provided with a strip-shaped sheath in a protruding mode, the length direction of the strip-shaped sheath is the same as that of the guide hole, and the diameter of the inner side of the arc-shaped parts at the two ends of the strip-shaped sheath is the same as that of the upper limit head of the telescopic rod.
Preferably, a rubber ring, a metal ring, a plastic ring or a magnet is arranged on the limiting head. The rubber ring, the metal ring, the plastic ring or the magnet provides an auxiliary positioning when the split pressing plate is installed, so that the split pressing plate has certain position stability and certain hand feeling when the split pressing plate is installed.
Preferably, the split type pressing plate is provided with a limiting groove with a shape matched with the limiting head in an adaptive mode, and the limiting head is located in the limiting groove. The split type pressing plate can not move radially along the telescopic rod, so that the split type pressing plate can be assembled easily and can be prevented from falling off during use.
Preferably, the spring is sleeved on the telescopic rod, a check ring protrudes from the telescopic rod, one end of the spring is in contact with the check ring, and the other end of the spring is in contact with the fixed seat.
Preferably, one end of the telescopic rod, which is far away from the limiting head, is positioned outside the fixing seat. The utility model relates to a quick-change structure which is applied to a multipurpose electric tool, wherein the existing multipurpose electric tool is basically provided with an eccentric plate buckle matched with a telescopic rod, and the rotating eccentric plate buckle switches a large-diameter part or a small-diameter part on the eccentric plate buckle to be contacted with the end part of the telescopic rod, so that the telescopic rod can be telescopic, and a saw blade is convenient to install.
Compared with the prior art, the technical scheme has the following beneficial effects:
the multipurpose tool split type pressing plate quick-change structure can be used for mounting most of saw blades with common specifications on the market, such as an opening, a closing opening, a large hole of 14mm or 12mm, a small hole of 10mm and the like, and the saw blades are tightly pressed on the fixed seat through the matching of the split type pressing plate and the telescopic rod.
Drawings
FIG. 1 is a cross-sectional view of a split platen quick change structure for a multi-purpose tool in accordance with the present utility model;
FIG. 2 is an exploded schematic view of the present utility model;
FIG. 3 is a perspective view of a split platen of the present utility model;
FIG. 4 is a perspective view of an open saw blade;
FIG. 5 is a perspective view of a closed saw blade;
FIG. 6 is a schematic view of the steps of the present utility model for installing an open blade;
FIG. 7 is a schematic view of the steps of the present utility model for installing a closed saw blade;
FIG. 8 is a cross-sectional view of example 2;
FIG. 9 is a perspective view (1) of the split platen in example 2;
fig. 10 is a perspective view (2) of the split platen in example 2.
In the figure: 1. the eccentric plate buckle comprises a eccentric plate buckle body 2, a telescopic rod 21, a clamping groove 22, a retainer ring 3, a spring 4, a fixing seat 41, a limiting needle 5, a split type press 51, a U-shaped groove 52, a U-shaped sheath 53, a limiting groove 6, a rubber ring 7, an open saw blade 71, a limiting hole 8, a closed saw blade 81, a limiting hole 9, a split type pressing plate 91, a strip-shaped hole 911, a mounting hole 912, a guide hole 92, a limiting groove 93 and a strip-shaped sheath.
Detailed Description
The utility model will be further understood by reference to the following examples which are given to illustrate the utility model but are not intended to limit the scope of the utility model.
Example 1
The quick-change structure in this embodiment is used for being mounted on a multipurpose electric tool, the eccentric plate buckle 1 is a common structure on the multipurpose electric tool, and fig. 1, 6 and 7 each show the eccentric plate buckle 1 to facilitate the description and understanding of this embodiment.
Referring to fig. 1-2, the utility model relates to a split type pressing plate quick-change structure of a multipurpose tool, which comprises a telescopic rod 2, a fixed seat 4 and a split type pressing plate 5, wherein the telescopic rod 2 passes through the fixed seat 4 and is connected with the fixed seat 4 through a spring 3, a limiting head 23 is arranged on the end part of the telescopic rod 3, the split type pressing plate 5 is detachably clamped on the telescopic rod between the limiting head 23 and the fixed seat 4, the limiting head 23 contacts and fixes the split type pressing plate 5 with the fixed seat 4 under the action of the spring 3, and a plurality of limiting needles 41 are arranged on the lower surface of the fixed seat 4.
Referring to fig. 1 to 3, a U-shaped groove 51 is formed in the split pressing plate 5, a locking groove 21 is formed in the telescopic rod 2 along the circumferential direction of the telescopic rod, a limiting head 23 is formed on the telescopic rod at the lower portion of the locking groove 21, and the U-shaped groove 51 is locked with the locking groove 21. The surface of the split type pressing plate 5 is provided with a U-shaped sheath 52 in a protruding mode, the opening direction of the U-shaped sheath 52 is the same as that of the U-shaped groove 51, the diameter of the arc-shaped part of the inner wall of the U-shaped sheath is the same as that of the upper limit head 23 of the telescopic rod, and the diameter of the arc-shaped part of the inner wall of the U-shaped groove 51 is the same as that of the clamping groove 21. The split type pressing plate is provided with a strip-shaped hole, a clamping groove along the circumferential direction of the telescopic rod is formed in the telescopic rod, the telescopic rod penetrates through the strip-shaped hole, the telescopic rod at the lower part of the clamping groove forms a limiting head, and the strip-shaped hole is clamped with the clamping groove. The split type clamp plate 5 is provided with the limit groove 53 with the shape being matched with the limit head 23 in an adaptability way, and the limit head 23 is positioned in the limit groove 53, so that the split type clamp plate 5 cannot move radially along the telescopic rod 2, and the split type clamp plate can be assembled easily and can be prevented from falling off when in use.
The rubber ring 6 is sleeved on the limiting head 23, and in addition, a metal ring or a plastic ring can be sleeved on the limiting head, or a magnet is arranged on the limiting head, so that an auxiliary positioning is provided for the split type pressing plate 5 during installation, and the split type pressing plate has certain position stability and certain hand sensitivity during installation. The spring 3 is sleeved on the telescopic rod 2, a retainer ring 22 protrudes out of the telescopic rod 2, one end of the spring 3 is in contact with the retainer ring 22, and the other end of the spring 3 is in contact with the fixed seat 4. One end of the telescopic rod 2 far away from the limit head 23 is positioned outside the fixed seat 4 and is used for being matched with the eccentric plate buckle 1 to finish the replacement of the saw blade. The utility model relates to a quick-change structure which is applied to a multipurpose electric tool, wherein the existing multipurpose electric tool is basically provided with an eccentric plate buckle matched with a telescopic rod, and the rotating eccentric plate buckle switches a large-diameter part or a small-diameter part on the eccentric plate buckle to be contacted with the end part of the telescopic rod, so that the telescopic rod can be telescopic, and a saw blade is convenient to install.
The saw blade commonly used in the market mainly comprises an open type saw blade 7 shown in fig. 4 and a closed type saw blade 8 shown in fig. 5, wherein one end of the open type saw blade 7 is provided with a U-shaped groove, a plurality of limiting holes 71 are arranged around the U-shaped groove, and a telescopic rod on the multipurpose electric tool is not required to be detached for installing the saw blade; one end of the closed saw blade 8 is provided with a circular hole around which limiting holes 81 are arranged, and the installation of such a saw blade generally requires the removal of the telescopic rod and the passage of the same through the hole. These two types of saw blades cannot be commonly used in a single apparatus, and the saw blade mounting method of the present utility model will be described below by taking these two types of saw blades as examples.
When the opening saw blade 7 is mounted:
1) Referring to a in fig. 6, rotating the eccentric plate buckle 1 causes the large diameter portion of the eccentric plate buckle to press the telescopic rod 2, the telescopic rod 2 moves downward, and the split pressing plate 5 moves along with the telescopic rod to leave a space between the split pressing plate 5 and the fixed seat 4;
2) Referring to fig. 6 b, the split type saw blade 7 is inserted between the split type pressing plate 5 and the fixed seat 4, the U-shaped groove on the split type saw blade is clamped with the telescopic rod 4, and then the limiting needle 41 is inserted into the limiting hole 71;
3) Referring to fig. 6 c, the eccentric plate buckle 1 is rotated to make the large diameter part of the eccentric plate buckle 1 far away from the telescopic rod 2, the telescopic rod rebounds under the action of the spring 3, and the split type pressing plate 5 is driven to press the opening saw blade 8 on the fixing seat 4 for fixing, so that the installation is completed.
When the closed saw blade 8 is installed:
1) Referring to a in fig. 7, rotating the eccentric plate buckle 1 causes the large diameter portion of the eccentric plate buckle to press the telescopic rod 2, the telescopic rod 2 moves downward, and the split pressing plate 5 moves along with the telescopic rod to leave a space between the split pressing plate 5 and the fixed seat 4;
2) Referring to b in fig. 7, the split pressing plate 6 is moved upward until the limiting head 23 is separated from the limiting groove 53, and then the split pressing plate 5 is removed to the state shown in c in fig. 7;
3) Referring to d in fig. 7, a circular hole in the closed saw blade 8 is sleeved on the telescopic rod 2, a limiting needle 41 on the fixed seat 4 is inserted into a limiting hole 81 on the closed saw blade, and then a U-shaped groove 51 on the split pressing plate 5 is clamped into the clamping groove 21 along the radial direction of the telescopic rod;
4) Referring to e in fig. 7, after the split pressing plate 5 moves to the limit position, the eccentric plate buckle 1 is rotated to make the large diameter portion far away from the telescopic rod 2, the limiting head 23 is elastically clamped into the limiting groove 53 on the split pressing plate 5 to be fixed, the degree of freedom of the telescopic rod 2 in moving in the horizontal direction is limited, and the limiting head 23 drives the split pressing plate 5 to press the closed saw blade 8 on the fixed seat 4 to be fixed under the action of the spring 3, so that the installation is completed.
Example 2
The quick-change structure in this embodiment is used for being mounted on a multipurpose electric tool, the eccentric plate buckle 1 is a common structure on the multipurpose electric tool, and fig. 8 shows the eccentric plate buckle 1 for convenience of description and understanding of this embodiment.
Referring to fig. 8, the utility model relates to a split type pressing plate quick-change structure of a multipurpose tool, which comprises a telescopic rod 2, a fixed seat 4 and a split type pressing plate 9, wherein the telescopic rod 2 passes through the fixed seat 4 and is connected with the fixed seat 4 through a spring 3, a limiting head 23 is arranged on the end part of the telescopic rod 3, the split type pressing plate 9 is detachably clamped on the telescopic rod between the limiting head 23 and the fixed seat 4, the limiting head 23 contacts and fixes the split type pressing plate 9 with the fixed seat 4 under the action of the spring 3, and a plurality of limiting pins 41 are arranged on the lower surface of the fixed seat 4.
Referring to fig. 8 to 10, the split pressing plate 9 is provided with a bar hole 91, the telescopic rod 4 is provided with a clamping groove 21 along the circumferential direction of the telescopic rod, the telescopic rod 2 passes through the bar hole 91, the telescopic rod at the lower part of the clamping groove 21 forms a limiting head 23, and the bar hole 91 is clamped with the clamping groove 21. The split type pressing plate 9 is provided with the limiting groove 92 with the shape being matched with the limiting head 23 in an adaptive mode, and the limiting head 23 is located in the limiting groove 53, so that the split type pressing plate 9 cannot move radially along the telescopic rod 2, and the split type pressing plate can be assembled easily and can be prevented from falling off when in use. The other end of the one end of the bar hole 91, which is clamped with the telescopic rod 2, is provided with a mounting hole 911, the aperture of the mounting hole 911 is larger than or equal to the diameter of the upper limit head 23 of the telescopic rod, the bar hole on the other side of the mounting hole 911 forms a guide hole 912, and the width of the guide hole 912 is equal to the diameter of the clamping groove 21. The surface of the split pressing plate 9 is provided with a strip-shaped sheath 93 in a protruding mode, the length direction of the strip-shaped sheath 93 is the same as that of the guide hole 913, and the diameter of the inner side of the arc-shaped parts at the two ends of the strip-shaped sheath is the same as that of the upper limit head 23 of the telescopic rod.
The rubber ring 6 is sleeved on the limiting head 23, and in addition, a metal ring or a plastic ring can be sleeved on the limiting head, or a magnet is arranged on the limiting head, so that an auxiliary positioning is provided for the split pressing plate 9 during installation, and the split pressing plate has certain position stability and certain hand sensitivity during installation. The spring 3 is sleeved on the telescopic rod 2, a retainer ring 22 protrudes out of the telescopic rod 2, one end of the spring 3 is in contact with the retainer ring 22, and the other end of the spring 3 is in contact with the fixed seat 4. One end of the telescopic rod 2 far away from the limit head 23 is positioned outside the fixed seat 4 and is used for being matched with the eccentric plate buckle 1 to finish the replacement of the saw blade. The utility model relates to a quick-change structure which is applied to a multipurpose electric tool, wherein the existing multipurpose electric tool is basically provided with an eccentric plate buckle matched with a telescopic rod, and the rotating eccentric plate buckle switches a large-diameter part or a small-diameter part on the eccentric plate buckle to be contacted with the end part of the telescopic rod, so that the telescopic rod can be telescopic, and a saw blade is convenient to install.
When the quick-change structure in this embodiment is used to mount a saw blade, the telescopic rod 2 needs to be passed through the mounting hole 911 to remove or mount the split type pressing plate 9, and the remaining method steps are the same as those in embodiment 1.
The present utility model has been described in detail with reference to the embodiments, but the description is only the preferred embodiments of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model should be considered as falling within the scope of the present utility model.
Claims (10)
1. A split type clamp plate quick change structure of multipurpose instrument, its characterized in that: the telescopic rod passes through the fixed seat and is connected with the fixed seat through a spring, a limiting head is arranged on the end portion of the telescopic rod, the split type pressing plate is detachably clamped on the telescopic rod between the limiting head and the fixed seat, the limiting head is used for contacting and fixing the split type pressing plate with the fixed seat under the action of the spring, and a plurality of limiting needles are arranged on the lower surface of the fixed seat.
2. The multi-purpose tool split platen quick change structure of claim 1, wherein: the split type clamp plate on be equipped with U type groove, set up the block groove along telescopic link circumferencial direction on the telescopic link, the telescopic link of block groove lower part forms the limit head, U type groove and block groove block.
3. The multi-purpose tool split platen quick change structure of claim 1, wherein: the split type clamp plate on be equipped with the bar hole, offered the block groove along telescopic link circumferencial direction on the telescopic link, the telescopic link passes the bar hole, the telescopic link of block groove lower part forms the limit head, bar hole and block groove block.
4. The multi-purpose tool split platen quick change structure of claim 2, wherein: the split type clamp plate on the surface protrusion have U type sheath, U type sheath open-ended direction is the same with the open-ended direction in U type groove, the diameter of U type sheath inner wall arc part is the same with the diameter of telescopic link upper limit head, the diameter of U type inslot wall arc part is the same with the diameter of block groove.
5. The multi-purpose tool split platen quick change structure according to claim 3, wherein: the other end of the one end of bar hole and telescopic link block is equipped with the mounting hole, and the aperture of mounting hole is greater than or equal to the diameter of telescopic link upper limit head, and the bar hole of mounting hole opposite side forms the guiding hole, and the width of guiding hole equals the diameter of block groove.
6. The multi-purpose tool split platen quick change structure of claim 5, wherein: the surface of the split pressing plate is provided with a strip-shaped sheath in a protruding mode, the length direction of the strip-shaped sheath is identical to that of the guide hole, and the diameter of the inner sides of arc-shaped parts at two ends of the strip-shaped sheath is identical to that of the upper limit head of the telescopic rod.
7. The multi-purpose tool split platen quick change structure according to claim 4 or 6, wherein: and the limiting head is provided with a rubber ring, a metal ring, a plastic ring or a magnet.
8. The multi-purpose tool split platen quick change structure of claim 1, wherein: the split pressing plate is provided with a limiting groove with a shape adaptively matched with the limiting head, and the limiting head is positioned in the limiting groove.
9. The multi-purpose tool split platen quick change structure of claim 1, wherein: the spring housing is established on the telescopic link, and the protrusion has the retaining ring on the telescopic link, and spring one end and retaining ring contact, the spring other end and fixing base contact.
10. The multi-purpose tool split platen quick change structure of claim 1, wherein: one end of the telescopic rod, which is far away from the limiting head, is positioned outside the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923616.9U CN219075569U (en) | 2022-11-03 | 2022-11-03 | Split type clamp plate quick change structure of multipurpose instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923616.9U CN219075569U (en) | 2022-11-03 | 2022-11-03 | Split type clamp plate quick change structure of multipurpose instrument |
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| Publication Number | Publication Date |
|---|---|
| CN219075569U true CN219075569U (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222923616.9U Active CN219075569U (en) | 2022-11-03 | 2022-11-03 | Split type clamp plate quick change structure of multipurpose instrument |
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| Country | Link |
|---|---|
| CN (1) | CN219075569U (en) |
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- 2022-11-03 CN CN202222923616.9U patent/CN219075569U/en active Active
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