KR102586506B1 - Al heating chain clamp - Google Patents

Abstract

The purpose of the present invention is to provide an aluminum heating chain clamp. The configuration of the present invention includes a plurality of clamping pieces 110 arranged on a circular trajectory; A connection hinge 120 connecting the plurality of clamping pieces 110; It is characterized in that it includes a clamping tightening part that tightens the plurality of clamping pieces 110.

Description

Aluminum heating chain clamp {Al heating chain clamp}

The present invention relates to an aluminum heating chain clamp, and more specifically, to an aluminum heating chain clamp that can be expected to increase hardness and corrosion resistance and extend life time due to anodizing post-treatment.

Generally, flanges are used at the joints of pipes forming conduits to maintain airtightness. When connecting pipes, a flange is welded and fixed to the pipe connection area to seal the pipe, and packing is installed on the contact surface of the flange. However, there are problems such as a dirty appearance and inconvenience, so a clamping band is developed and used to solve these problems. there is.

Meanwhile, chain clamps are sometimes used to connect piping pipes, but existing chain clamps have problems such as polymer build-up within the installed pipes, which shortens the lifespan.

Korean Patent Publication No. 10-2022-0070732 (published on May 31, 2022) Korean Patent No. 10-2113242 (registered on May 14, 2020) Korean Registered Utility Model No. 20-0301796 (registered on January 9, 2003) Korean Patent No. 10-1575355 (registered on December 1, 2015)

The purpose of the present invention is to provide an aluminum heating chain clamp that can be expected to increase hardness and corrosion resistance and extend LIFE TIME due to anodizing post-treatment.

According to the present invention, a plurality of clamping pieces 110 arranged on a circular trajectory; A connection hinge 120 connecting the plurality of clamping pieces 110; An aluminum heating chain clamp is provided, comprising a clamping tightening part that tightens the plurality of clamping pieces 110.

The clamping piece 110 is configured in a cylindrical block shape, and a plurality of clamping pieces 110 are arranged on a cylindrical trajectory, and the connection hinge 120 is adjacent to each other among the plurality of clamping pieces 110. A seating groove 122 formed on the outer peripheral surface of the end of one or two clamping pieces 110; A connection support piece 124 is seated in the seating groove 122 and connected to two adjacent clamping pieces 110 by a pair of hinge pins 123, and the clamping tightening part includes a plurality of the above. Among the clamping pieces 110, a first bolt fastening piece 131 and a second bolt fastening piece 132 protrude radially outward from two neighboring clamping pieces 110; A first bolt through hole 133 and a second bolt through hole 134 penetrate through both sides of the first bolt fastening piece 131 and the second bolt fastening piece 132 and are disposed at positions facing each other; The first bolt through hole 133 and a clamping tightening bolt 135 fastened to the first bolt through hole 133; It is characterized in that it includes a clamping tightening nut (137) fastened to the clamping tightening bolt (135).

The plurality of clamping pieces 110 and the connecting support pieces 124 are post-processed by anodizing, and the clamping tightening bolt 135 and the clamping tightening nut 137 are characterized by silver plating.

In the present invention, a plurality of clamping pieces and connection support pieces are post-processed by anodizing, so hardness and corrosion resistance can be expected to increase due to the ANODIZING post-treatment, and the effect of extending LIFE TIME can be expected, and the clamping tightening bolt (i.e. fastening bolt) is By using silver plating, it prevents melting at high temperatures, making installation and detachment easier, and can also be expected to increase convenience in installing the HEATING JACKET after installation of the present invention.

Figure 1 is a perspective view showing the structure of the clamping piece, which is the main part of the aluminum heating chain clamp according to the present invention;
Figure 2 is a perspective view showing the structure of the annular spacer and packing accommodated in the inner seating groove of the clamping piece of Figure 1;
Figure 3 is a perspective view of an aluminum heating chain clamp according to the present invention;
Figure 4 is a front view of Figure 3;
Figure 5 is a rear view of Figure 3;
Figure 6 is a half-cut perspective view of Figure 1;
Figure 7 is a half-cut perspective view of Figure 3;
Figure 8 is a side cross-sectional view of Figure 3;
Figure 9 is a front cross-sectional view of Figure 3;
Figure 10 is a perspective view schematically showing a state in which two pipes are clamped and connected by an aluminum heating chain clamp according to the present invention;
Figure 11 is a side cross-sectional view of Figure 10;
Figure 12 is an enlarged front cross-sectional view showing the structure of the reinforced clamping support piece and the reinforced grip piece portion, which are the main parts of the aluminum heating chain clamp according to another embodiment of the present invention;
Figure 13 is an enlarged front cross-sectional view showing a state in which the threads of the reinforcing grip piece shown in Figure 12 are engaged with the threads of the clamping tightening bolt;
Figures 14 and 15 are enlarged side cross-sectional views showing the coupling structure between the tapered groove and the annular spacer formed on the clamping piece, which is the main part of the cable rock clamp according to another embodiment of the present invention;
Figure 16 is a side cross-sectional view schematically showing a structure in which the end of the pipe of the connection reinforcement packing provided in the annular spacer, which is the main part of the cable rock clamp according to another embodiment of the present invention, is inserted and coupled.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. The purpose, features, and advantages of the present invention can be more easily understood by referring to the accompanying drawings and the following detailed description. Additionally, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted.

Additionally, when describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, or order of the component is not limited by the term. When a component is described as being "connected," "coupled," or "connected" to another component, that component may be directly connected or connected to that other component, but there is another component between each component. It will be understood that elements may be “connected,” “combined,” or “connected.”

In addition, the specific structural and functional descriptions in the present invention are merely illustrative for the purpose of explaining embodiments according to the concept of the present invention, and the embodiments according to the concept of the present invention may be implemented in various forms and may be applied in the present specification or application. It should not be construed as limited to the embodiments described in.

Figure 1 is a perspective view showing the structure of the clamping piece, which is the main part of the aluminum heating chain clamp according to the present invention, Figure 2 is a perspective view showing the structure of the annular spacer and packing accommodated in the inner seating groove of the clamping piece of Figure 1, and Figure 3 is the present invention. A perspective view of the aluminum heating chain clamp by, FIG. 4 is a front view of FIG. 3, FIG. 5 is a rear view of FIG. 3, FIG. 6 is a half-cut perspective view of FIG. 1, FIG. 7 is a half-cut perspective view of FIG. 3, and FIG. 8 is a perspective view of FIG. 3 is a side cross-sectional view, FIG. 9 is a front cross-sectional view of FIG. 3, FIG. 10 is a perspective view schematically showing a state in which two pipes are clamped and connected by an aluminum heating chain clamp according to the present invention, and FIG. 11 is a side view of FIG. 10. This is a cross-sectional view.

Referring to the drawings, the aluminum heating chain clamp according to the present invention includes a plurality of clamping pieces 110 arranged on a circular trajectory; A connection hinge 120 connecting the plurality of clamping pieces 110; It includes a clamping tightening part that tightens the plurality of clamping pieces 110.

The clamping piece 110 is configured in a cylindrical block shape, and a plurality of clamping pieces 110 are arranged on a cylindrical trajectory, and the connection hinge 120 is adjacent to each other among the plurality of clamping pieces 110. A seating groove 122 formed on the outer peripheral surface of the end of one or two clamping pieces 110; It includes a connection support piece 124 that is seated in the seating groove 122 and connected to two adjacent clamping pieces 110 by a pair of hinge pins 123.

The clamping tightening part includes a first bolt fastening piece 131 and a second bolt fastening piece 132 that protrude radially outward from two clamping pieces 110 adjacent to each other among the plurality of clamping pieces 110; A first bolt through hole 133 and a second bolt through hole 134 penetrate through both sides of the first bolt fastening piece 131 and the second bolt fastening piece 132 and are disposed at positions facing each other; The first bolt through hole 133 and a clamping tightening bolt 135 fastened to the first bolt through hole 133; It includes a clamping tightening nut 137 fastened to the clamping tightening bolt 135.

The two adjacent clamping pieces 110 including the first bolt fastening piece 131 and the second bolt fastening piece 132 are provided with a flat surface on the outer peripheral surface, and each of the first bolt fastening piece 110 is provided with a flat surface on the flat surface. The first bolt fastening piece 131 and the second bolt fastening piece 132 protrude outward in the radial direction, and at the same time, the first bolt fastening piece 131 and the second bolt fastening piece 132 are disposed at positions facing each other.

In addition, in the present invention, the plurality of clamping pieces 110 and the connecting support pieces 124 are post-processed by anodizing, and the clamping tightening bolt 135 and the clamping tightening nut 137 are silver plated. .

According to the present invention of the above-described configuration, the clamping tightening bolt 135 (i.e., fastening bolt) is loosened and the plurality of clamping pieces 110 are held loosely, and the two adjacent pipes 5 are connected to each other as a plurality of pipes 5. When inserted from both ends of the two clamping pieces 110 into the inner peripheral surface of the plurality of clamping pieces 110, the ends of two adjacent pipes 5 are supported by contact with the front and rear ends of the annular spacer 142. , In this state, when the clamping tightening bolt 135 is tightened and the first bolt fastening piece 131 and the second bolt fastening piece 132 formed on the two adjacent clamping pieces 110 are advanced to become closer, a plurality of clamping is performed. Since the diameter of the inner peripheral surface of the piece 110 is reduced and the plurality of connecting support pieces 124 are narrowed toward the center of the pipe 5 based on a pair of hinges connected to the two adjacent clamping pieces 110, The plurality of clamping pieces 110 can keep the two adjacent pipes 5 connected by strongly clamping them.

Therefore, in the present invention, when the clamping tightening bolt 135 is tightened while inserted into the inner peripheral surface of the plurality of clamping pieces 110, the plurality of clamping pieces 110 can strongly clamp and connect the two pipes 5, The effect of being able to easily and quickly connect pipes 5 to form piping can be expected.

At this time, the annular spacer 142 is provided with a cutout portion penetrating the inner and outer peripheral surfaces, so that when the plurality of clamping pieces 110 are narrowed toward the center of the pipe 5 to clamp the pipe 5, the annular spacer 142 ) and the elastic fixing ring body 152 may also be configured to be narrowed toward the center of the pipe 5.

In addition, in the present invention, the plurality of clamping pieces 110 and the connecting support pieces 124 are subjected to anodizing post-treatment, so that hardness and corrosion resistance are increased due to the ANODIZING post-treatment, and the effect of extending LIFE TIME can be expected.

In addition, the clamping tightening bolt 135 (i.e., fastening bolt) is silver-plated to prevent melting at high temperatures, making installation and detachment easy. There is a problem with the previously used SUS BOLT that it cannot be loosened due to melting at high temperatures and sticking to the NUT and BOLT threads, but the present invention can solve this problem.

After installing this invention, the effect of increasing convenience in installing the HEATING JACKET can be expected.

Meanwhile, in the present invention, an inner seating groove 112 is formed on the inner peripheral surface of the plurality of clamping pieces 110, and an annular spacer 142 provided with packing 143 on the outer peripheral surface is seated in the inner seating groove 112. It is characterized by being

Therefore, the packing 143 ensures sealing between the inner peripheral surface of the annular spacer 142 and the plurality of clamping pieces 110 and the ends of the adjacent pipes 5, thereby ensuring the pipes 5 are connected in an airtight state. There is a possible effect.

In addition, an elastic fixing ring body 152 having a cutout portion 152CP penetrating the inner and outer circumferential surfaces is coupled to the inner peripheral surface of the annular spacer 142, and the annular spacer 142 is fixed by the elastic force of the elastic fixing ring body 152. ) The outer peripheral surface is pressurized and adhered to the inner seating groove 112 of the plurality of clamping pieces 110, and the inner seating groove 112 is provided with a packing groove 114, and the annular spacer is placed in the packing groove 114. (142) It is characterized in that the packing 143 on the outer peripheral surface is seated and in close contact.

Therefore, the space between the annular spacer 142 and the inner peripheral surface of the plurality of clamping pieces 110 and the opposing ends between the two pipes 5 inserted into the inner peripheral surface of the plurality of clamping pieces 110 adjacent to each other is It is sealed so that the pipes 5 are stably connected, and the elastic fixing ring body (142) is inserted into the inner seating groove 112 of the clamping piece 110. 152) is inserted into the inner peripheral surface of the annular spacer 142 while slightly pressing it toward the center, and then when the force pressing the elastic fixing ring body 152 toward the center is released, the elastic fixing ring body 152 is pressed into the notch. It is narrowed by (152CP) and then unfolded by elastic restoring force so that the outer peripheral surface of the annular spacer 142 is automatically elastically fixed to the inner seating groove 112 of the plurality of clamping pieces 110, so that the annular spacer There is an effect that the work of fixing (142) by seating it in the inner seating groove 112 of the plurality of clamping pieces 110 is done easily and quickly.

Meanwhile, Figure 12 is an enlarged front cross-sectional view showing the structure of the reinforced clamping support piece and the reinforced grip piece portion, which are the main parts of the aluminum heating chain clamp according to another embodiment of the present invention, and Figure 13 is a screw thread of the reinforced grip piece shown in Figure 12. Figures 14 and 15, which are enlarged front cross-sectional views showing the state of engagement with the thread of the clamping tightening bolt, are between the tapered groove formed on the clamping piece, which is the main part of the cable rock clamp according to another embodiment of the present invention, and the annular spacer. Figure 16 is an enlarged side cross-sectional view showing the coupling structure, schematically showing the structure in which the end of the pipe of the connection reinforcement packing provided in the annular spacer, which is the main part of the cable rock clamp according to another embodiment of the present invention, is inserted and coupled. This is a side cross-sectional view.

The present invention includes a reinforcing clamping support piece 162 extending from an outer end of the first bolt fastening piece 131; at least two reinforced grip bridge pieces 172 provided inside the reinforced clamping support piece 162 and protruding from bolt insertion holes 165 penetrating on both sides; a pair of reinforcing grip support protrusions 174 that protrude from the reinforcing grip bridge piece 172 in opposite directions and are arranged parallel to the inner peripheral surface of the bolt insertion hole 165; At least two reinforcing grip pieces 182 having inner circumferential surfaces at both ends hooked on the reinforcing grip support jaw 174 and having threads 185 on the inner circumferential surfaces; At least two press coupling bolts 192 coupled to cross bolt holes 163 communicating from the outer surface of the reinforcing clamping support piece 162 to the bolt insertion hole 165; characterized in that it further includes. .

The reinforcing grip piece 182 is provided with a hooking protrusion piece 184 at an outer end, so that the hooking protrusion piece 184 is caught on the reinforcing grip support jaw 174 so that the reinforcing grip piece 162 is inside the reinforcing clamping support piece 162. It does not deviate from the bolt insertion hole 165 and is narrowed toward the center of the bolt insertion hole 165 inside the reinforced clamping support piece 162 or outside from the center of the bolt insertion hole 165 inside the reinforced clamping support piece 162. It is constructed so that it can open towards the other side.

The reinforcing clamping is performed on the press coupling bolt 192 in a loose state so as not to engage the thread 135 on the outer peripheral surface of the clamping tightening bolt 135 through the bolt insertion hole 165 inside the reinforcing clamping support piece 162. When the support piece 162 is rotated and advanced based on the cross bolt hole 163, the at least two reinforced grip pieces 182 are narrowed toward the center of the bolt insertion hole 165 inside the reinforced clamping support piece 162. The thread 185 on the inner peripheral surface of the reinforcing grip piece 182 is engaged with the thread 135 on the outer peripheral surface of the clamping tightening bolt 135, so that the clamping tightening bolt 135 is held by the double threads 135 and 185. Since the clamping bolt 135 is loosened and the plurality of clamping pieces 110 clamp the pipe 5 frame is released, it is more effective in preventing the clamping bolt 135 from loosening, thereby preventing the clamping bolt 135 from being released from the clamping state of the pipe 5 frame. The effect of being able to connect the pipes 5 more stably and reliably can be expected.

In addition, the present invention further includes a tapered groove 202 formed in the inner concave groove of the plurality of clamping pieces 110 so that the distance between the front and rear surfaces gradually narrows as it goes outward in the radial direction, and the inner concave groove The distance that the outer peripheral surface of the annular spacer 142 seated in enters the tapered groove 202 is configured to vary depending on the tapered groove 202, so that the inner peripheral surface of the annular spacer 142 is connected to a plurality of the clamping surfaces. It is characterized in that the distance coming from the side 110 varies.

The effect of enabling connection and support by stably supporting the ends of two pipes 5 connected adjacent to each other in response to a change in the thickness between the inner and outer peripheral surfaces of the pipe 5 in contact with the front and rear ends of the annular spacer 142. There is. That is, as shown in FIG. 13, when connecting the pipe 5 with a relatively smaller thickness between the inner and outer peripheral surfaces, the end of the outer peripheral surface of the annular spacer 142, where the distance between the front and rear ends is relatively smaller, is connected to the tapered groove 202. ), the front and rear ends of the annular spacer 142 can stably support and connect the ends of the pipes 5 with relatively smaller thicknesses between the inner and outer peripheral surfaces, and as shown in Figure 14, the relative When connecting a pipe 5 with a larger thickness between the inner and outer peripheral surfaces, the outer peripheral end of the annular spacer 142, which has a relatively larger distance between the front and rear ends, is coupled so that the end of the outer peripheral surface is in contact with the tapered groove 202, and the annular spacer The effect of stably supporting and connecting the ends of the pipes 5 with a relatively larger thickness between the inner and outer peripheral surfaces of the front and rear ends of 142 can be expected.

In addition, an annular coupling groove 214 is provided at the front and rear ends of the annular spacer 142, and the annular coupling groove 214 has a cross-sectional diagonal shape that is open to the front and rear ends of the annular spacer 142, respectively. It is characterized in that it is provided with a connection reinforcement packing (223).

Accordingly, the ends of the two adjacent pipes 5 connected to each other are inserted into the coupling groove on the packing 143 side inside the connection reinforcement packing 223, so that the two adjacent pipes 5 and the plurality of pipes 5 are connected to each other. It has the effect of further increasing the sealing force between the inner concave grooves of the clamping piece 110, and further increases the sealing force between the ends of the adjacent pipes 5, thereby creating a piping structure by connecting the pipes 5. It has the effect of being able to implement more robustly and stably.

The present invention is not limited to the above-described embodiments, and those skilled in the art will understand that various modifications and variations can be made without changing the gist of the present invention. .

Therefore, the embodiments described above are provided to fully inform those skilled in the art of the present invention of the scope of the invention, and should be understood as illustrative in all respects and not restrictive. The invention is defined only by the scope of the claims.

5. Pipe 110. Clamping piece
112. Inner seating groove 114. Packing groove
120. Connection hinge 122. Seating groove
123. Hinge pin 124. Connection support piece
131. 1st bolt fastening section 132. 2nd bolt fastening section
133. 1st bolt through hole 134. 2nd bolt through hole
135. Clamping tightening bolt 135. Thread
137. Clamping tightening nut 142. Annular spacer
143. Packing 152. Elastic fixed ring body
152 CP. Cutout 162. Reinforced clamping support piece
163. Cross bolt hole 165. Bolt insertion hole
172. Reinforced grip bridge 174. Reinforced grip support jaw
182. Reinforced grip piece 184. Hooking protrusion piece
185. Thread 192. Pressure coupling bolt
202. Taper groove 214. Annular coupling groove
223. Connection reinforcement packing

Claims (3)

Two adjacent clamping pieces 110 arranged on a circular trajectory and each provided with a first bolt fastening piece 131 and a second bolt fastening piece 132; It includes a plurality of other clamping pieces 110 connected to the two clamping pieces 110 provided with the first bolt fastening piece 131 and the second bolt fastening piece 132 through a connection hinge 120, and ,
The clamping piece 110 is configured in a cylindrical block shape, and a plurality of clamping pieces 110 are arranged on a cylindrical trajectory,
The connection hinge 120 is,
Among the plurality of clamping pieces 110, a seating groove 122 formed on the outer peripheral surface of the ends of adjacent clamping pieces 110;
It includes a connection support piece 124 seated in the seating groove 122 and connected to two adjacent clamping pieces 110 by a pair of hinge pins 123,
Among the plurality of clamping pieces 110, a first bolt fastening piece 131 and a second bolt fastening piece 132 protrude radially outward from two neighboring clamping pieces 110;
A first bolt through hole 133 and a second bolt through hole 134 penetrate through both sides of the first bolt fastening piece 131 and the second bolt fastening piece 132 and are disposed at positions facing each other;
The first bolt through hole 133 and a clamping tightening bolt 135 fastened to the first bolt through hole 133;
It includes a clamping tightening nut 137 fastened to the clamping tightening bolt 135,
A reinforcing clamping support piece 162 extending from an outer end of the first bolt fastening piece 131; at least two reinforced grip bridge pieces 172 provided inside the reinforced clamping support piece 162 and protruding from bolt insertion holes 165 penetrating on both sides; a pair of reinforcing grip support protrusions 174 that protrude from the reinforcing grip bridge piece 172 in opposite directions and are arranged parallel to the inner peripheral surface of the bolt insertion hole 165; At least two reinforcing grip pieces 182 having inner circumferential surfaces at both ends hooked on the reinforcing grip support jaw 174 and having threads 185 on the inner circumferential surfaces; It further includes at least two press coupling bolts 192 coupled to cross bolt holes 163 communicating from the outer surface of the reinforced clamping support piece 162 to the bolt insertion hole 165,
The reinforcing grip piece 182 is provided with a hooking protrusion piece 184 at an outer end, so that the hooking protrusion piece 184 is caught on the reinforcing grip support jaw 174 so that the reinforcing grip piece 162 is inside the reinforcing clamping support piece 162. It does not deviate from the bolt insertion hole 165 and is narrowed toward the center of the bolt insertion hole 165 inside the reinforced clamping support piece 162 or outside from the center of the bolt insertion hole 165 inside the reinforced clamping support piece 162. An aluminum heating chain clamp, characterized in that it is configured to open towards the other side.
delete According to paragraph 1,
The clamping piece 110 and the connecting support piece 124 are post-processed by anodizing, and the clamping tightening bolt 135 and the clamping tightening nut 137 are silver-plated. Heated chain clamp.

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